V. Halpern

发表

D. Grimes, L. Lopez, Laurie L Stockton, 2013, The Cochrane database of systematic reviews.

D. Grimes, L. Lopez, M. Gallo, 2006, The Cochrane database of systematic reviews.

K. Schulz, D. Grimes, L. Lopez, 2012, The Cochrane database of systematic reviews.

K. Schulz, D. Grimes, L. Lopez, 2007, The Cochrane database of systematic reviews.

K. Schulz, D. Grimes, L. Lopez, 2013, The Cochrane database of systematic reviews.

E. Raymond, W. Rountree, V. Halpern, 2008, Contraception.

L. Lopez, E. Raymond, V. Halpern, 2010, The Cochrane database of systematic reviews.

L. Lopez, E. Raymond, V. Halpern, 2014, The Cochrane database of systematic reviews.

D. Grimes, L. Lopez, M. Gallo, 2011, The Cochrane database of systematic reviews.

L. Lopez, E. Raymond, V. Halpern, 2011, Obstetrics and gynecology.

L. Dorflinger, V. Halpern, Gillian B Schivone, 2016, Current opinion in obstetrics & gynecology.

L. van Damme, M. Becker, P. Feldblum, 2010, Sexually transmitted diseases.

L. van Damme, P. Feldblum, V. Halpern, 2011, Contraception.

J. Shelton, V. Halpern, 2014, Contraception.

K. Schulz, D. Grimes, L. Lopez, 2004, The Cochrane database of systematic reviews.

P. Feldblum, F. Ogunsola, W. Ampofo, 2011, Contemporary clinical trials.