Concepedia
Contraception · 2005 · 15 citations · 3 references
Open access
MedicineSurgeryMicrosurgeryMinimally Invasive SurgeryRemoval TechniquesImplant Removal
3
Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. Analysis and examples
Richard Peto, M. C. Pike, P. Armitage et al. · British Journal of Cancer · 1977 · 8.4K citations · Full text
Public Health, Biostatistics, Clinical Medicine +13
Reducing Bias in Observational Studies Using Subclassification on the Propensity Score
Paul R. Rosenbaum, Donald B. Rubin · Journal of the American Statistical Association · 1984 · 3.2K citations · Full text
Public Health, Biostatistics, Cardiology +17
A comparative study of the safety and efficacy of femcap®, a new vaginal barrier contraceptive, and the ortho all-flex® diaphragm
Christine Mauck, Marianne M. Callahan, Debra H. Weiner et al. · Contraception · 1999 · 56 citations
Medicine, Gynecology, Obstetrics +16