| Literature DB >> 20654752 |
Kathryn A Phillips1, Daniel Grossman, Tracy A Weitz, James Trussell.
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Year: 2010 PMID: 20654752 PMCID: PMC4449358 DOI: 10.1016/j.contraception.2010.02.017
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375