title: Counting contraception.
authors.affiliation: The William and Flora Hewlett Foundation, Menlo Park, CA 94025, USA. Electronic address: pbelden@hewlett.org.
authors.forename: Peter
authors.initials: P
authors.lastname: Belden
mesh_terms: D003267:Contraception / Q000379:methods; D005193:Family Planning Services; D005260:Female; D006801:Humans; D011247:Pregnancy; D011787:Quality of Health Care; D060728:Reproductive Health