M. Burtscher

发表

C. Szubski, M. Burtscher, W. Löscher, 2006, Journal of applied physiology.

C. Szubski, M. Burtscher, W. Löscher, 2007, Medicine and science in sports and exercise.

M. Burtscher, G. Ruedl, M. Kopp, 2019, International journal of environmental research and public health.

M. Burtscher, M. Faulhaber, M. Ferrari, 2011, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

W. Schobersberger, M. Burtscher, M. Faulhaber, 2017, BMJ Open Sport & Exercise Medicine.

M. Burtscher, O. Pachinger, M. Faulhaber, 2004, International journal of cardiology.

M. Burtscher, M. Ferrari, V. Cascio, 2010, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

W. Nachbauer, M. Burtscher, M. Kopp, 2019, Front. Physiol..

M. Burtscher, G. Tredici, L. Pollastri, 2016, Research in sports medicine.

M. Burtscher, J. Burtscher, M. Faulhaber, 2019, International journal of environmental research and public health.

M. Burtscher, Michael Said, Reinhard Puehringer, 2020, High altitude medicine & biology.

M. Burtscher, H. Gatterer, Verena Menz, 2021, International journal of environmental research and public health.

H. Lukaski, M. Burtscher, M. Faulhaber, 2013, PloS one.

W. Nachbauer, M. Burtscher, C. Fink, 2010 .

G. Millet, M. Burtscher, J. Burtscher, 2022, Neuroscience & Biobehavioral Reviews.

M. Burtscher, J. Álvarez-Herms, F. Corbi, 2020, Frontiers in Physiology.

M. Burtscher, H. Gatterer, F. Kössler, 2019, International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition.

H. Stettner, M. Burtscher, R. Likar, 2017, Alzheimer's & dementia.

G. Millet, M. Burtscher, J. Burtscher, 2022, Sports Medicine.

M. Burtscher, J. Burtscher, G. Ruedl, 2019, AIMS public health.

M. Blauth, M. Burtscher, P. Brucker, 2015, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, J. Burtscher, M. Faulhaber, 2019, International journal of environmental research and public health.

M. Burtscher, M. Faulhaber, G. Ruedl, 2021, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, P. Brucker, G. Ruedl, 2017, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, K. Benedetto, R. Bauer, 2015, Scandinavian journal of medicine & science in sports.

W. Nachbauer, M. Burtscher, C. Fink, 2012, Scandinavian journal of medicine & science in sports.

L. Engebretsen, W. Schobersberger, T. Soligard, 2012, British Journal of Sports Medicine.

W. Nachbauer, M. Burtscher, G. Ruedl, 2011, International journal of sports medicine.

W. Nachbauer, M. Burtscher, G. Ruedl, 2011, The American journal of sports medicine.

G. Millet, M. Burtscher, J. Burtscher, 2020, Scandinavian journal of medicine & science in sports.

M. Burtscher, I. Szczyrba, Rafal Szczyrba, 2022 .

M. Burtscher, I. Szczyrba, Rafal Szczyrba, 2022 .

G. Millet, M. Burtscher, J. Burtscher, 2021, Exercise and sport sciences reviews.

G. Millet, M. Burtscher, J. Burtscher, 2022, Journal of Science in Sport and Exercise.

M. Burtscher, R. Timón, G. Olcina, 2022, International Journal of Biometeorology.

G. Millet, M. Burtscher, V. Pialoux, 2022, Antioxidants & redox signaling.

M. Burtscher, Ginés Viscor, H. Gatterer, 2015, Wilderness & environmental medicine.

M. Burtscher, Ginés Viscor, H. Gatterer, 2014 .

D. Niederseer, M. Burtscher, 2020, Deutsche Zeitschrift für Sportmedizin/German Journal of Sports Medicine.

M. Burtscher, J. Burtscher, D. Heinrich, 2012, Perceptual and motor skills.

M. Idzko, M. Burtscher, P. Krotka, 2021, Scandinavian journal of medicine & science in sports.

M. Burtscher, G. Ruedl, M. Kopp, 2016, Journal of sports science & medicine.

Martin Burtscher, M. Burtscher, 1994, Nature.

M. Mittleman, H. Ulmer, M. Burtscher, 2000, International journal of sports medicine.

M. Burtscher, 1994, Circulation.

G. Millet, M. Burtscher, J. Burtscher, 2020, British Journal of Sports Medicine.

M. Burtscher, H. Gatterer, M. Philippe, 2015, International journal of physiology, pathophysiology and pharmacology.

G. Millet, M. Burtscher, J. Burtscher, 2022, Neuroscience & Biobehavioral Reviews.

C. Szubski, M. Burtscher, M. Faulhaber, 2010, Sleep and Breathing.

M. Burtscher, J. Burtscher, E. Manukhina, 2020 .

M. Burtscher, H. Schwarzenbacher, M. Faulhaber, 2012, Scandinavian journal of medicine & science in sports.

W. Schobersberger, W. Grander, M. Burtscher, 2019, International Journal of Sports Medicine.

M. Sánchez-Niño, N. Veronese, M. Burtscher, 2018, European journal of clinical investigation.

G. Millet, B. Strasser, M. Burtscher, 2022, Journal of cachexia, sarcopenia and muscle.

M. Burtscher, J. Nie, Z. Kong, 2022, High altitude medicine & biology.

M. Burtscher, H. Gatterer, Natthapon Traiperm, 2016, European journal of clinical investigation.

M. Burtscher, M. Faulhaber, N. Netzer, 2015, International journal of chronic obstructive pulmonary disease.

W. Nachbauer, M. Burtscher, M. Kopp, 2019 .

M. Burtscher, G. Broessner, M. Wille, 2011, Cephalalgia : an international journal of headache.

M. Burtscher, G. Ruedl, M. Kopp, 2012, British Journal of Sports Medicine.

M. Burtscher, M. Faulhaber, H. Gatterer, 2009, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

M. Burtscher, Ginés Viscor, 2021, Respiratory Physiology & Neurobiology.

M. Schocke, M. Burtscher, R. Koch, 2011, Respiratory Physiology & Neurobiology.

M. Burtscher, C. Drenowatz, G. Ruedl, 2020, Advances in Physical Education.

A. Loeckinger, M. Flatz, M. Burtscher, 2011, Wilderness & environmental medicine.

G. Millet, B. Strasser, M. Burtscher, 2022, International journal of environmental research and public health.

M. Burtscher, Verena Menz, M. Semsch, 2016, Journal of sports science & medicine.

M. Burtscher, J. Burtscher, M. Faulhaber, 2014, International journal of clinical and experimental medicine.

E. Franchini, M. Burtscher, M. Faulhaber, 2012 .

M. Burtscher, M. Faulhaber, K. Schenk, 2010, International journal of sports medicine.

M. Burtscher, 2012, BMJ : British Medical Journal.

H. Lukaski, M. Burtscher, G. Mascherini, 2015, The Journal of sports medicine and physical fitness.

M. Burtscher, M. Faulhaber, T. Hochholzer, 2015 .

M. Burtscher, J. Burtscher, B. Treml, 2020, Respiratory Physiology & Neurobiology.

W. Nachbauer, M. Burtscher, G. Ruedl, 2010, British Journal of Sports Medicine.

M. Burtscher, H. Gatterer, Verena Menz, 2017, Journal of strength and conditioning research.

W. Nachbauer, M. Burtscher, R. Likar, 2001, European Journal of Applied Physiology.

W. Nachbauer, M. Burtscher, P. Baumgartl, 2006, European Journal of Applied Physiology and Occupational Physiology.

M. Burtscher, C. Ebenbichler, H. Gatterer, 2022 .

M. Burtscher, H. Gatterer, E. Brandstätter, 2008, Sleep and Breathing.

M. Burtscher, M. Faulhaber, K. Schenk, 2011, The Journal of sports medicine and physical fitness.

M. Burtscher, C. Fink, G. Ruedl, 2012, The American journal of sports medicine.

G. Millet, B. Strasser, M. Burtscher, 2022, Journal of sport and health science.

M. Burtscher, J. Ndayisaba, P. Lackner, 2016, Cephalalgia : an international journal of headache.

M. Burtscher, J. Burtscher, H. Förster, 2008, Gerontology.

M. Burtscher, M. Schnitzer, G. Ruedl, 2016, British Journal of Sports Medicine.

M. Burtscher, M. Wille, T. Bucher, 2009, High altitude medicine & biology.

Irving S. Scher, M. Burtscher, M. Faulhaber, 2022, British Journal of Sports Medicine.

W. Schobersberger, M. Burtscher, M. Faulhaber, 2021, International journal of environmental research and public health.

David Niederseer, Roland Kienast, Martin Burtscher, 2021, Sensors.

M. Burtscher, R. Likar, 2002, High altitude medicine & biology.

Martin Kopp, Bianca Miarka, Michel Calmet, 2013, British Journal of Sports Medicine.

M. Burtscher, J. Burtscher, H. Mairbäurl, 2018, Front. Physiol..

M. Burtscher, G. D’Antona, 2022, Frontiers in Ecology and Evolution.

S. Angadi, M. Burtscher, C. Roberts, 2013, Nutrition & Metabolism.

G. Millet, M. Burtscher, V. Pialoux, 2023, International journal of molecular sciences.

M. Burtscher, A. Santalla, J. N. Orellana, 2018, Respiratory Physiology & Neurobiology.

M. Burtscher, 2012, The New England journal of medicine.

H. Ulmer, M. Burtscher, H. Gatterer, 2009, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

B. Strasser, J. Rittweger, M. Burtscher, 2021, Nutrients.

Hermann Brugger, Emily Procter, Martin Burtscher, 2018, Scandinavian journal of medicine & science in sports.

G. Millet, M. Burtscher, J. Burtscher, 2021, Ageing Research Reviews.

M. Burtscher, K. Benedetto, R. Bauer, 2013, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

Martin Kopp, Gerhard Ruedl, Martin Burtscher, 2011, Wilderness & environmental medicine.

Markus Flatz, Werner Nachbauer, Hannes Gatterer, 2008, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

G. Millet, J. Richalet, M. Burtscher, 2021, Vascular health and risk management.

G. Millet, J. Richalet, M. Burtscher, 2021 .

M. Burtscher, G. Ruedl, M. Kopp, 2011, Wilderness & environmental medicine.

M. Burtscher, G. Ruedl, M. Kopp, 2012, International Journal of Sports Medicine.

M. Burtscher, G. Ruedl, M. Kopp, 2015, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, G. Ruedl, M. Kopp, 2015, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, G. Ruedl, M. Kopp, 2012, Scandinavian journal of medicine & science in sports.

Martin Kopp, Gerhard Ruedl, Martin Burtscher, 2011, The Journal of trauma.

Martin Kopp, Bernhard Holzner, Gerhard Rumpold, 2011, Injury Prevention.

M. Burtscher, G. Ruedl, M. Kopp, 2011, BMJ : British Medical Journal.

M. Burtscher, J. Burtscher, G. Ruedl, 2022, International journal of environmental research and public health.

G. Millet, M. Burtscher, J. Burtscher, 2021, Journal of Science in Sport and Exercise.

F. Brocherie, G. Millet, M. Burtscher, 2020, Physiological reports.

M. Burtscher, G. Rumpold, Martin Kumnig, 2015, Substance use & misuse.

M. Gulisano, A. Piccoli, M. Burtscher, 2014, International journal of sports physiology and performance.

M. Burtscher, G. Tredici, L. Pollastri, 2015, International Journal of Sports Medicine.

M. Burtscher, J. Burtscher, M. Faulhaber, 2018, Respiratory Physiology & Neurobiology.

M. Burtscher, J. Burtscher, M. Faulhaber, 2017, High altitude medicine & biology.

M. Burtscher, 2007, Advances in experimental medicine and biology.

M. Burtscher, H. Riechelmann, K. Greier, 2014, Wiener klinische Wochenschrift.

M. Burtscher, J. Álvarez-Herms, S. Julià-Sánchez, 2019, Journal of oral rehabilitation.

D. Fuchs, B. Strasser, M. Burtscher, 2018, Aging and disease.

M. Burtscher, M. Faulhaber, H. Gatterer, 2011, Journal of travel medicine.

M. Burtscher, Adrián Odriozola-Martínez, J. Álvarez-Herms, 2019, Front. Physiol..

L. Bernardi, M. Burtscher, L. Bernardi, 2008, European Respiratory Journal.

Martin Burtscher, B. Strasser, M. Burtscher, 2018, Frontiers in bioscience.

M. Burtscher, M. Faulhaber, N. Netzer, 2015, Zeitschrift für Gerontologie und Geriatrie.

W. Nachbauer, M. Burtscher, G. Ruedl, 2009 .

M. Burtscher, M. Wille, K. Mairer, 2010, High altitude medicine & biology.

M Burtscher, W Nachbauer, W. Nachbauer, 2005, International journal of sports medicine.

M. Burtscher, U. Hefti, J. P. Hefti, 2021, Sports medicine and health science.

M. Burtscher, M. Faulhaber, H. Gatterer, 2014, High altitude medicine & biology.

W. Grander, M. Burtscher, M. Wille, 2013, International Journal of Sports Medicine.

G. Millet, M. Burtscher, J. Burtscher, 2023, Aging cell.

M. Burtscher, M. Faulhaber, N. Netzer, 2015, Biomolecules.

M. Burtscher, 2009, Sleep and Breathing.

M. Schocke, W. Parson, M. Burtscher, 2011, American journal of physiology. Regulatory, integrative and comparative physiology.

C. Szubski, M. Burtscher, M. Faulhaber, 2008, Sleep and Breathing.

Markus Flatz, Martin Burtscher, M. Flatz, 2004, High altitude medicine & biology.

M. Burtscher, G. Strapazzon, E. Procter, 2019, Current Issues in Sport Science (CISS).

M. Burtscher, H. Gatterer, Natthapon Traiperm, 2013, Medicine and science in sports and exercise.

M. Burtscher, R. Likar, C. Pechlaner, 1994, International journal of sports medicine.

M. Burtscher, G. Ruedl, M. Posch, 2020, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, G. Ruedl, R. Sommersacher, 2019, Journal of science and medicine in sport.

M. Burtscher, G. Badicu, L. Balint, 2018, Pedagogics, psychology, medical-biological problems of physical training and sports.

W. Nachbauer, M. Burtscher, G. Ruedl, 2013, Paediatrics & child health.

M. Burtscher, G. Ruedl, M. Kopp, 2014, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, J. Burtscher, H. Gatterer, 2020, International journal of environmental research and public health.

W. Nachbauer, M. Burtscher, J. Burtscher, 2012, High altitude medicine & biology.

M. Burtscher, J. Niebauer, 2021, International journal of environmental research and public health.

M. Burtscher, R. Chaunchaiyakul, H. Gatterer, 2021, International Journal of Sports Physiology and Performance.

M. Burtscher, P. Kofler, H. Gatterer, 2013, International Journal of Physiology, Pathophysiology and Pharmacology.

G. Millet, M. Burtscher, J. Burtscher, 2020, Respiratory Physiology & Neurobiology.

G. Millet, M. Burtscher, J. Burtscher, 2022, International journal of environmental research and public health.

Hannes Gatterer, Philipp Kofler, Martin Burtscher, 2012, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

Gustav Fraedrich, Andreas Greiner, Regina Esterhammer, 2004, European Journal of Applied Physiology.

C. Raschner, M. Burtscher, M. Philippe, 2012, European Journal of Applied Physiology.

B. Levine, M. Burtscher, M. Lo, 2013, American heart journal.

M. Burtscher, A. Ponchia, 2010, Progress in cardiovascular diseases.

M. Schocke, H. Ulmer, M. Burtscher, 2007, International journal of sports medicine.

M. Burtscher, R. Likar, M. Philadelphy, 1993, The New England journal of medicine.

W. Schobersberger, M. Flatz, M. Burtscher, 2007, High altitude medicine & biology.

W. Nachbauer, M. Burtscher, R. Likar, 1995, JAMA.

M. Burtscher, J. Burtscher, G. Millet, 2020, Scandinavian journal of medicine & science in sports.

M. Burtscher, N. Netzer, A. Eliasson, 2020, Sleep and Breathing.

W. Nachbauer, M. Burtscher, M. Faulhaber, 2005, Wiener Medizinische Wochenschrift.

M. Flatz, M. Burtscher, M. Faulhaber, 2003, High altitude medicine & biology.

M. Mittleman, M. Burtscher, 1995, Circulation.

M. Burtscher, G. Ruedl, 2015, International journal of environmental research and public health.

M. Burtscher, G. Ruedl, H. Gatterer, 2012 .

M. Burtscher, J. Niebauer, M. Wille, 2020, High altitude medicine & biology.

M. Burtscher, L. Bernardi, M. Faulhaber, 2016, Medicine and science in sports and exercise.

W. Nachbauer, M. Burtscher, C. Fink, 2009, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, G. Ruedl, M. Posch, 2020, International journal of environmental research and public health.

M. Burtscher, K. Stadlbauer, B. Treml, 2018, Front. Physiol..

M. Burtscher, J. Burtscher, Domink Pesta, 2020, High altitude medicine & biology.

M. Burtscher, C. Patterson, M. Faulhaber, 2010, Journal of sports sciences.

M. Burtscher, M. Kopp, M. Niedermeier, 2017, Physiology & Behavior.

M. Burtscher, 2018, The American journal of emergency medicine.

M. Burtscher, E. Weiss, M. Kopp, 2020, International journal of environmental research and public health.

M. Burtscher, M. Kopp, 2021, The Lancet Healthy Longevity.

M. Burtscher, J. Burtscher, 2019, British Journal of Sports Medicine.

M. Burtscher, G. Ruedl, M. Posch, 2015, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

Werner Nachbauer, Martin Burtscher, W. Nachbauer, 2011, European Journal of Applied Physiology.

M. Burtscher, J. Burtscher, R. Likar, 2018, Journal of travel medicine.

K. Strohl, M. Burtscher, M. Faulhaber, 2013, Journal of travel medicine.

G. Millet, M. Burtscher, J. Burtscher, 2023, Aging and disease.

M. Burtscher, M. Camacho-Cardeñosa, A. Camacho-Cardenosa, 2023, Frontiers in Physiology.

M. Burtscher, M. Faulhaber, G. Ruedl, 2019, International journal of environmental research and public health.

M. Burtscher, H. Gatterer, M. Wille, 2012, The American journal of cardiology.

M. Burtscher, M. Kopp, 2021, Sports Medicine - Open.

M. Burtscher, J. Burtscher, H. Gatterer, 2019, AIMS public health.

M Burtscher, G Ruedl, M. Burtscher, 2012, The Journal of sports medicine and physical fitness.

G. Millet, M. Burtscher, J. Burtscher, 2023, Free radical biology & medicine.

M. Burtscher, N. Talebi, H. Gatterer, 2017, Pediatric exercise science.

F. Hanser, C. Raschner, M. Burtscher, 2012, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, A. Santalla, N. Terrados, 2016, Respiratory Physiology & Neurobiology.

M. Burtscher, 2022 .

M. Burtscher, 2023, The New England journal of medicine.

M. Muckenthaler, M. Burtscher, R. Pühringer, 2023, High altitude medicine & biology.

W. Nachbauer, M. Burtscher, R. Likar, 1995, The Lancet.

M. Burtscher, J. Burtscher, R. Likar, 2021, Journal of travel medicine.

G. Millet, M. Burtscher, J. Burtscher, 2021, Hypertension Research.

M. Burtscher, L. Bernardi, M. Faulhaber, 2009, Respiratory Physiology & Neurobiology.

W. Nachbauer, M. Burtscher, M. Faulhaber, 2013, Wilderness & environmental medicine.

M. Burtscher, M. Faulhaber, G. Ruedl, 2019, International journal of environmental research and public health.

M Burtscher, W Nachbauer, G Ruedl, 2010, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, R. Eberle, G. Ruedl, 2017 .

W. Nachbauer, M. Burtscher, G. Ruedl, 2010, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

M. Burtscher, B. Holzner, M. Kopp, 2008, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

G. Millet, M. Burtscher, J. Burtscher, 2023, Journal of travel medicine.

G. Millet, B. Strasser, M. Burtscher, 2022, Journal of Travel Medicine.

M. Burtscher, J. Burtscher, 2023, Acta physiologica.

D. Fuchs, B. Strasser, M. Burtscher, 2018, Journal für Gynäkologische Endokrinologie/Schweiz.

M. Burtscher, G. Ruedl, M. Kopp, 2012, Epidemiology.

M. Burtscher, D. Heinrich, H. Gatterer, 2015, Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme.

M. Burtscher, M. Faulhaber, H. Gatterer, 2014, Journal of sports science & medicine.

K. Messlinger, M. Burtscher, M. Faulhaber, 2020, Cephalalgia : an international journal of headache.

M. Burtscher, J. Burtscher, G. Millet, 2023, American journal of preventive medicine.

G. Millet, M. Burtscher, J. Burtscher, 2020, The New England journal of medicine.

M. Burtscher, J. Burtscher, Q. Pasha, 2023, Journal of sport and health science.

M. Burtscher, M. Faulhaber, N. Netzer, 2017, BMC Neuroscience.

M. Burtscher, M. Burtscher, 2015, Therapeutische Umschau. Revue therapeutique.

W. Nachbauer, M. Burtscher, C. Fink, 2011, International journal of sports medicine.

W. Nachbauer, M. Burtscher, G. Ruedl, 2010, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

W. Nachbauer, M. Burtscher, K. Schindelwig, 2009, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, G. Ruedl, M. Kopp, 2011, The Journal of trauma.

M. Burtscher, G. Ruedl, M. Kopp, 2012, British Journal of Sports Medicine.

Martin Burtscher, Igor Szczyrba, M. Burtscher, 2006, MSV.

Martin Burtscher, Igor Szczyrba, M. Burtscher, 2005, METMBS.

M. Burtscher, M. Faulhaber, G. Ruedl, 2022, International journal of environmental research and public health.

Igor Szczyrba, Rafal Szczyrba, Martin Burtscher, 2015, J. Integer Seq..

M. Burtscher, A. Cogo, R. Mallet, 2021, Frontiers in Physiology.

M. Burtscher, Ginés Viscor, H. Gatterer, 2015, Wilderness & environmental medicine.

W. Nachbauer, M. Burtscher, C. Fink, 2009, Knee Surgery, Sports Traumatology, Arthroscopy.

M. Burtscher, B. Holzner, M. Kopp, 2008, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.