title: Preventing unintended pregnancy: let us count the ways.
authors.affiliation: Office of Population Research, Princeton University, Princeton, NJ 08540, USA. Trussell@princeton.edu
authors.forename: James
authors.initials: J
authors.lastname: Trussell
authors.forename: Elizabeth G
authors.initials: EG
authors.lastname: Raymond
mesh_terms: D003281:Contraceptives, Postcoital; D005260:Female; D006293:Health Promotion; D006801:Humans; D011247:Pregnancy; D012606:Scotland
chemical_list: D003281:Contraceptives, Postcoital