| Literature DB >> 12321921 |
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Abstract
Keywords: Americas; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Postcoital; Contraceptive Effectiveness; Contraceptive Mode Of Action; Developed Countries; Family Planning; North America; Northern America; United States; Use-effectiveness
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Year: 1999 PMID: 12321921
Source DB: PubMed Journal: Fam Life Matters ISSN: 1064-6167