Emergency contraception: a modality whose time has come.
Rosenfield
A
A
D003281:Contraceptives, Postcoital; D004630:Emergencies; D005260:Female; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data; D006801:Humans; D011247:Pregnancy / Q000706:statistics & numerical data*; D011275:Pregnancy, Unwanted / Q000706:statistics & numerical data*; D013997:Time Factors; D014481:United States / Q000453:epidemiology
D003281:Contraceptives, Postcoital