title: Contraceptive failure in the United States.
authors: Victoria
authors: V
authors: Jennings
authors: Irit
authors: I
authors: Sinai
mesh_terms: D003267:Contraception / Q000295:instrumentation* / Q000379:methods*; D003270:Contraceptive Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male
chemical_list: D003270:Contraceptive Agents