Donald W. Helbig

Predictors of Ovarian Steroid Secretion in Reproductive-Age Women

Carolyn Westhoff, G Gentile, James Lee et al. · American Journal of Epidemiology · 1996 · 100 citations · Full text

Medicine, Endocrinology, Gynecology +16

Individual Differences in Attitude‐Behavior Consistency: The Prediction of Contraceptive Behavior

James Jaccard, Donald W. Helbig, Choi K. Wan et al. · Journal of Applied Social Psychology · 1990 · 46 citations

Medicine, Psychology, Social Psychology +12

The Prediction of Accurate Contraceptive Use From Attitudes and Knowledge

James Jaccard, Donald W. Helbig, Choi K. Wan et al. · Health Education Quarterly · 1996 · 26 citations

Medicine, Health Behavior, Psychology +13

Does creatinine adjustment of urinary pregnanediol glucuronide reduce or introduce measurement error?

Howard A. Zacur, S. C. Kaufman, Brian P. Smith et al. · Gynecological Endocrinology · 1997 · 20 citations

Medicine, Endocrinology, Geriatric Medicine +15

Hormone levels before and after tubal sterilization

G Gentile, Donald W. Helbig, Howard A. Zacur et al. · Contraception · 2006 · 18 citations

Medicine, Endocrinology, Gynecology +9