J. Brug

发表

J. Brug, I. Steenhuis, P. van Assema, 1996, Preventive medicine.

J. Brug, I. Steenhuis, P. van Assema, 1999, Health education research.

J. Brug, K. Glanz, P. Assema, 1997, European Journal of Clinical Nutrition.

W. Kroeze, J. Brug, A. Werkman, 2006, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

W. Kroeze, J. Brug, H. Raat, 2005, European Journal of Clinical Nutrition.

J. Brug, H. de Vries, S. Kremers, 2008, American journal of health promotion : AJHP.

Sofie Compernolle, Ketevan Glonti, Johannes Brug, 2017, Health & place.

J. Lakerveld, H. P. van der Ploeg, Ilse de Bourdeaudhuij, 2015, BMC Public Health.

J. Brug, A. Middelweerd, J. Mollee, 2015, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Anke Oenema, J. Brug, 2003, The American journal of clinical nutrition.

J. Brug, S. Kremers, F. V. van Lenthe, 2007, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, R. Ruiter, B. Jansma, 2006, Health psychology : official journal of the Division of Health Psychology, American Psychological Association.

J. Brug, N. D. de Vries, A. Oenema, 2008, Health education research.

J. Brug, N. D. de Vries, A. Oenema, 2009, Psychology & health.

J. Brug, G. de Bruijn, S. Kremers, 2005, Preventive medicine.

J. Brug, S. Kremers, F. V. van Lenthe, 2007, Obesity reviews : an official journal of the International Association for the Study of Obesity.

C. Vandelanotte, J. Brug, J. Sallis, 2005, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, B. Verplanken, E. de Vet, 2006, Journal of nutrition education and behavior.

J. Brug, N. D. de Vries, A. Oenema, 2011, Health education & behavior : the official publication of the Society for Public Health Education.

W. Kroeze, J. Brug, A. Oenema, 2012, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, A. Middelweerd, J. Mollee, 2014, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, L. Lechner, A. Oenema, 2001, Health education research.

Johannes Brug, Arie Dijkstra, Nanne K De Vries, 2004, Health education research.

Johannes Brug, Johan P Mackenbach, Frank J van Lenthe, 2009, The international journal of behavioral nutrition and physical activity.

Johannes Brug, Jeroen Lakerveld, Dorothee Volkert, 2017, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Anke Oenema, J. Brug, 2009, The international journal of behavioral nutrition and physical activity.

L Kwak, S P J Kremers, M A van Baak, 2007, Preventive medicine.

J. Brug, S. Kremers, M. V. van Baak, 2009, Journal of occupational and environmental medicine.

J Brug, A. S. Singh, W. Mechelen, 2011, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, M. Avendano, K. Giskes, 2009, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J Brug, J. Brug, F. V. van Lenthe, 2010, Obesity reviews : an official journal of the International Association for the Study of Obesity.

Johannes Brug, Monique Simons, Mai Chinapaw, 2012, Games for health journal.

Ilse de Bourdeaudhuij, J. Brug, K. Klepp, 2007, The international journal of behavioral nutrition and physical activity.

W. Mechelen, J. Brug, C. Hume, 2009, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J. Brug, L. Lechner, H. Vries, 1995, Appetite.

J. Brug, L. Monasta, L. Ronfani, 2011, Obesity reviews : an official journal of the International Association for the Study of Obesity.

K. Stronks, J. Brug, R. V. van Dam, 2009, Journal of nutrition education and behavior.

J. Brug, M. Verloigne, M. V. van Stralen, 2014, Journal of science and medicine in sport.

J. Brug, J. Brug, L. Monasta, 2010, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, L. Monasta, Y. Manios, 2010, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, E. Bere, K. Klepp, 2008, Public Health Nutrition.

Maike G. Sweegers, J. Brug, M. Chinapaw, 2020, Journal of science and medicine in sport.

J. Lakerveld, J. Brug, J. Twisk, 2020, The international journal of behavioral nutrition and physical activity.

J. Lakerveld, H. P. van der Ploeg, A. Donnelly, 2016, International Journal of Behavioral Nutrition and Physical Activity.

J. Lakerveld, H. P. van der Ploeg, A. Donnelly, 2016, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, W. Kroeze, J. Brug, 2015, Nutrition reviews.

J. Brug, J. Mackenbach, C. Kamphuis, 2012, European journal of public health.

W. Kroeze, J. Brug, P. Dagnelie, 2011, Journal of nutrition education and behavior.

J. Brug, S. Kremers, M. V. van Baak, 2010, The international journal of behavioral nutrition and physical activity.

J. Lakerveld, Ilse de Bourdeaudhuij, J. Brug, 2018, PloS one.

J. Brug, J. V. van Goudoever, C. Looman, 2012, American journal of infection control.

N. I. Tak, J. Brug, S. T. te Velde, 2006, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, I. Mesters, A. Schols, 2004, Patient education and counseling.

Ilse de Bourdeaudhuij, J. Brug, S. T. te Velde, 2006, Journal of nutrition education and behavior.

Ilse de Bourdeaudhuij, J. Brug, M. D. Vaz de Almeida, 2005, Annals of Nutrition and Metabolism.

J. Brug, J. Twisk, M. Snijder, 2011, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, P. Assema, N. D. Vries, 2011, Appetite.

Ilse de Bourdeaudhuij, J. Brug, A. Yngve, 2007, European journal of public health.

J. Brug, W. Jansen, E. J. de Wilde, 2008, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

Maike G. Sweegers, J. Brug, R. Newton, 2018, Journal of the National Cancer Institute.

N. I. Tak, W. Kroeze, I. Hendriksen, 2013, American journal of preventive medicine.

J. Brug, D. Crawford, 2009, European journal of public health.

N. I. Tak, A. S. Singh, J. Brug, 2010, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, M. Chinapaw, T. Altenburg, 2015, Preventive medicine.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2013, European journal of public health.

J. Brug, P. van Assema, K. Glanz, 1998, Health education research.

J. Brug, E. Bere, 2010, Public Health Nutrition.

D Kromhout, S P J Kremers, J Brug, 2005, European Journal of Clinical Nutrition.

J. Lakerveld, J. Brug, H. Rutter, 2018 .

J. Brug, P. van Assema, Hilde M. van Keulen, 2006, American journal of health promotion : AJHP.

J. Brug, S. Kremers, S. T. Velde, 2010 .

J. Brug, S. T. te Velde, K. Klepp, 2008, The international journal of behavioral nutrition and physical activity.

J. Brug, S. Kremers, M. V. van Baak, 2007, American journal of preventive medicine.

J. Brug, J. Mackenbach, G. Turrell, 2006, Tobacco Control.

J. Brug, J. Odink, M. Wedel, 1992, European journal of clinical nutrition.

J. Brug, K. Ball, D. Crawford, 2010 .

Ilse de Bourdeaudhuij, J. Brug, M. D. Vaz de Almeida, 2005, Annals of Nutrition and Metabolism.

J. Lakerveld, J. Brug, J. Oppert, 2018, International Journal of Behavioral Nutrition and Physical Activity.

Ilse de Bourdeaudhuij, J. Brug, M. Verloigne, 2012, Public Health Nutrition.

N. Lien, Ilse de Bourdeaudhuij, J. Brug, 2016, Journal of physical activity & health.

J. Brug, A. Timperio, D. Crawford, 2008, American journal of preventive medicine.

J Brug, J. Brug, 1999, European Journal of Clinical Nutrition.

J. Brug, P. van Assema, C. Kistemaker, 1998, Nutrition and health.

J. Brug, G. de Bruijn, C. Kamphuis, 2006, The British journal of nutrition.

J. Brug, W. van Mechelen, Amika S. Singh, 2009, Archives of pediatrics & adolescent medicine.

J. Brug, W. van Mechelen, M. Chinapaw, 2012, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, M. Rasmussen, K. Klepp, 2011, The international journal of behavioral nutrition and physical activity.

Johannes Brug, David Crawford, Kylie Ball, 2008, Proceedings of the Nutrition Society.

J. Brug, A. Burdorf, C. Kamphuis, 2012, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, C. Terwee, T. Jaarsma, 2012, Heart Failure Reviews.

Ilse de Bourdeaudhuij, J. Brug, J. Oppert, 2012, European journal of public health.

J Brug, J. Brug, L Blanchette, 2005, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, J. Mackenbach, M. Huisman, 2007, International journal of epidemiology.

J. Brug, L. Lytle, E. Bere, 2006, The international journal of behavioral nutrition and physical activity.

J. Brug, P. van Assema, K. Glanz, 2007, Journal of nutrition education and behavior.

J Brug, H Verhagen, J. Brug, 2012, European Journal of Clinical Nutrition.

J Brug, J. Brug, P. van Assema, 2001, Health promotion international.

Johannes Brug, Corneel Vandelanotte, Ilse De Bourdeaudhuij, 2008, Preventive medicine.

J. Brug, C. Terwee, T. Jaarsma, 2012, Heart Failure Reviews.

Johannes Brug, Ilse De Bourdeaudhuij, Gun Roos, 2015, BMC Public Health.

H de Vries, J Brug, J. Brug, 2008, Health education research.

J. Brug, M. Kersten, W. van Mechelen, 2011, BMC medical research methodology.

J. Brug, J. Brug, P. Looij-Jansen, 2006, Annals of Nutrition and Metabolism.

A. Beekman, J. Brug, D. Deeg, 2011 .

J. Brug, I. Mesters, E. van Weert, 2015, Supportive Care in Cancer.

J. Brug, W. van Mechelen, A. May, 2014, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, V. Lemmens, A. Oenema, 2008, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, A. Oenema, K. Giskes, 2006, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, A. Timperio, K. Ball, 2012, International Journal of Obesity.

Johannes Brug, Hans Verhagen, Leon Jansen, 2009, Journal of health communication.

J. Brug, F. V. van Lenthe, E. Bere, 2008, European journal of public health.

J. Brug, N. D. de Vries, E. de Vet, 2006, Journal of nutrition education and behavior.

Johannes Brug, Jacob C. Seidell, W. Mechelen, 2005, Sports medicine.

J. Brug, A. Oenema, F. V. van Lenthe, 2006, Health education research.

Johannes Brug, J. Brug, J. Seidell, 2010, The international journal of behavioral nutrition and physical activity.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2013, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, G. de Bruijn, S. Kremers, 2005, Health education research.

J. Brug, P. van Assema, M. Candel, 2004, European journal of public health.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2012, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, S. Kremers, W. van Mechelen, 2009, The international journal of behavioral nutrition and physical activity.

J. Brug, J. Twisk, W. van Mechelen, 2011, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J Brug, J. Brug, J. Mackenbach, 2010, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, G. de Bruijn, S. Kremers, 2007, American journal of preventive medicine.

L Kwak, S P J Kremers, A Werkman, 2007, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, P. van Assema, G. V. van Breukelen, 2008, Public Health Nutrition.

L. Andersen, P. van’t Veer, J. Brug, 2017, Food & nutrition research.

J. Lakerveld, H. P. van der Ploeg, A. Donnelly, 2016, International Journal of Behavioral Nutrition and Physical Activity.

G. Cardon, J. Brug, Y. Manios, 2012, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, N. D. de Vries, E. de Vet, 2008, Health education & behavior : the official publication of the Society for Public Health Education.

J. Brug, N. D. de Vries, A. Oenema, 2008, American journal of health promotion : AJHP.

J. Brug, N. D. de Vries, E. de Vet, 2006, Health education research.

J. Lakerveld, Ilse de Bourdeaudhuij, J. Brug, 2016, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Corneel Vandelanotte, Ilse De Bourdeaudhuij, 2002, Health education research.

J Brug, Ilse de Bourdeaudhuij, J. Brug, 2000, Health education research.

N. I. Tak, J. Brug, A. Yngve, 2011, The international journal of behavioral nutrition and physical activity.

J. Brug, S. Kremers, H. Vries, 2007, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

C. Vandelanotte, Ilse de Bourdeaudhuij, J. Brug, 2007, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2012, Obesity reviews : an official journal of the International Association for the Study of Obesity.

Johannes Brug, Johan P Mackenbach, J Wouter Jukema, 2007, American journal of epidemiology.

J. Brug, J. Salmon, F. V. van Lenthe, 2013, Medicine and science in sports and exercise.

J. Brug, P. van Assema, M. Steenbakkers, 2005, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, R. Engels, S. Kremers, 2003, Appetite.

Johannes Brug, Ilse De Bourdeaudhuij, Maïté Verloigne, 2014, PloS one.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2013, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Anke Oenema, J. Brug, 2008, European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation.

Johannes Brug, Anke Oenema, J. Brug, 2005, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, P. van Assema, R. Ruiter, 2001, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, H. de Vries, S. Kremers, 2004, Patient education and counseling.

Johannes Brug, Ken Resnicow, Hein de Vries, 2010, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

Johannes Brug, Anke Oenema, J. Brug, 2009, The international journal of behavioral nutrition and physical activity.

Gerty J. L. M. Lensvelt-Mulders, J. Brug, G. de Bruijn, 2006, American journal of preventive medicine.

Ilse de Bourdeaudhuij, J. Brug, A. Yngve, 2006, The international journal of behavioral nutrition and physical activity.

J. Brug, N. D. de Vries, E. de Vet, 2005, American journal of health promotion : AJHP.

J. Brug, M. Chinapaw, Amika S. Singh, 2014, Journal of science and medicine in sport.

Johannes Brug, W. Kroeze, J. Brug, 2015, International Journal of Behavioral Nutrition and Physical Activity.

C. Vandelanotte, Ilse de Bourdeaudhuij, J. Brug, 2004, Health promotion international.

Maike G. Sweegers, C. Ulrich, W. Mechelen, 2019, Journal of psychosomatic research.

J. Brug, W. van Mechelen, I. V. Verdonck‐de Leeuw, 2016, Medicine and science in sports and exercise.

J. Brug, M. Chinapaw, G. Schep, 2013, Journal of science and medicine in sport.

Maike G. Sweegers, C. Ulrich, J. Brug, 2019, Medicine and science in sports and exercise.

Mohammad Reza Mohammadi, Md. Mahmudur Rahman, Gretchen A. Stevens, 2023, Nature.

J. Lakerveld, J. Brug, K. Whelan, 2017 .

J. Brug, A. Oenema, R. Prins, 2012, International Journal of Behavioral Nutrition and Physical Activity.

J Brug, Heleen Spittaels, C. Vandelanotte, 2006, Health education research.

J Brug, J. Brug, P. van Assema, 1992, European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation.

John R Bethlehem, Joreintje D Mackenbach, Maher Ben-Rebah, 2014, International Journal of Health Geographics.

Johannes Brug, Iris Pigeot, Greet Cardon, 2015, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Stef P J Kremers, Frank J van Lenthe, 2006, American journal of preventive medicine.

J. Lakerveld, H. P. van der Ploeg, A. Donnelly, 2016, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, P. van Assema, R. Ruiter, 2003, Nutrition and health.

L. Andersen, N. Lien, J. Brug, 2017, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, P. van Assema, N. D. de Vries, 2007, Public Health Nutrition.

Ilse de Bourdeaudhuij, J. Brug, J. Oppert, 2011, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Lakerveld, Ilse de Bourdeaudhuij, J. Brug, 2016, European journal of public health.

J. Brug, G. Borsboom, J. Mackenbach, 2011, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J. Brug, A. Timperio, D. Crawford, 2011, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J. Brug, M. Chinapaw, 2015, International Journal of Behavioral Nutrition and Physical Activity.

J. Lakerveld, J. Brug, J. Mackenbach, 2019, International Journal of Health Geographics.

J. Brug, W. van Mechelen, Amika S. Singh, 2008, The international journal of behavioral nutrition and physical activity.

J. Brug, W. van Mechelen, Amika S. Singh, 2007, Archives of pediatrics & adolescent medicine.

J. Brug, I. Steenhuis, P. van Assema, 2001, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

Siobhan M. Phillips, J. Brug, N. Aaronson, 2019, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, M. Kersten, W. van Mechelen, 2017, Archives of physical medicine and rehabilitation.

J. Brug, J. Mackenbach, A. Oenema, 2013, European journal of public health.

J. Brug, W. van Mechelen, F. van Nassau, 2016, European journal of public health.

J. Brug, A. Oenema, R. Prins, 2011, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J. Brug, W. van Mechelen, M. Nijziel, 2016, International Journal of Behavioral Nutrition and Physical Activity.

Johannes Brug, Hein de Vries, Patricia van Assema, 1998 .

J. Brug, J. Mackenbach, F. V. van Lenthe, 2008, Medicine and science in sports and exercise.

J. Brug, Y. Manios, M. Chinapaw, 2013, PloS one.

J. Brug, D. Boomsma, E. D. de Geus, 2012, Archives of pediatrics & adolescent medicine.

J. Brug, A. Oenema, N. Ezendam, 2012, American journal of health behavior.

J. Brug, J. Salmon, C. Hume, 2010, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

I. Pigeot, J. Lakerveld, H. P. van der Ploeg, 2018, International journal of environmental research and public health.

J. Lakerveld, H. P. van der Ploeg, G. Cardon, 2017, Preventive medicine.

J. Brug, W. van Mechelen, F. van Nassau, 2014, Public Health Nutrition.

J. Brug, I. Steenhuis, P. van Assema, 1996, Nutrition and health.

J. Brug, J. Salmon, A. Timperio, 2012, Journal of science and medicine in sport.

J. Brug, M. Heymans, J. Seidell, 2011, Journal of the American Dietetic Association.

J. Brug, J. Seidell, Monique Simons, 2015, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, J. Seidell, Monique Simons, 2014, Journal of science and medicine in sport.

J. Brug, P. van Assema, E. de Vet, 2005, Health promotion international.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2015, Preventive medicine.

J. Lakerveld, J. Brug, A. Geelen, 2019, European Journal of Nutrition.

C. Vandelanotte, J. Brug, I. Bourdeaudhuij, 2007, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, Y. Manios, U. Mäder, 2012, International Journal of Behavioral Nutrition and Physical Activity.

C. Vandelanotte, J. Brug, I. Bourdeaudhuij, 2007, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, J. Odink, M. Wedel, 1992, Annals of nutrition & metabolism.

J. Brug, I. Kawachi, J. Salmon, 2013, International journal of epidemiology.

J. Brug, J. Mackenbach, K. Giskes, 2004, European Journal of Clinical Nutrition.

N. R. den Braver, Jeroen Lakerveld, Piotr Gozdyra, 2020, Environment international.

J. Lakerveld, J. Brug, J. Mackenbach, 2020, International Journal of Behavioral Nutrition and Physical Activity.

J. Brug, A. Middelweerd, S. T. te Velde, 2009 .

J. Brug, A. Oenema, S. Seiler, 2011, Scandinavian journal of medicine & science in sports.

J. Brug, A. Oenema, S. T. te Velde, 2009, International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity.

J. Brug, P. van Assema, N. D. de Vries, 2011, Journal of human nutrition and dietetics : the official journal of the British Dietetic Association.

J. Brug, A. Oenema, M. Campbell, 2003, The American journal of clinical nutrition.

J. Brug, J. Mackenbach, C. Kamphuis, 2012, European journal of public health.

J. Brug, V. Lemmens, A. Oenema, 2008, Obesity reviews : an official journal of the International Association for the Study of Obesity.

Ilse de Bourdeaudhuij, J. Brug, Y. Manios, 2012, Obesity reviews : an official journal of the International Association for the Study of Obesity.

G. Cardon, J. Brug, Y. Manios, 2012, Obesity reviews : an official journal of the International Association for the Study of Obesity.

J. Brug, J. Seidell, I. Steenhuis, 2009, Journal of health communication.

J. Brug, A. Oenema, R. Prins, 2009, The international journal of behavioral nutrition and physical activity.

W. Kroeze, J. Brug, A. Werkman, 2006, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Brug, S. Kremers, H. Vries, 2008, American journal of health promotion : AJHP.

J. Brug, W. van Mechelen, I. V. Verdonck‐de Leeuw, 2016, Medicine and science in sports and exercise.

J. Brug, W. Jansen, E. J. de Wilde, 2008, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

W. Kroeze, J. Brug, A. Oenema, 2012, Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.

J. Lakerveld, J. Brug, Rosa de Groot, 2020, Blood transfusion = Trasfusione del sangue.