| Literature DB >> 9708743 |
Abstract
Entities:
Keywords: Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Postcoital; Contraceptive Agents, Progestin; Contraceptive Effectiveness; Family Planning; Fertility Control, Postcoital; International Agencies; Levonorgestrel; Organizations; Un; Who
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Year: 1998 PMID: 9708743 DOI: 10.1016/S0140-6736(98)22032-0
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321