Preventing unintended pregnancy: implications for physicians.
Lesnewski
Ruth
R
D003268:Contraception Behavior; D005260:Female; D006801:Humans; D010817:Physician-Patient Relations; D011247:Pregnancy; D011275:Pregnancy, Unwanted / Q000706:statistics & numerical data*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology