Contraceptive failure in the United States
Contraception (Stoneham), 2011-05, Vol.83 (5), p.397
[Peer Reviewed Journal]
Copyright © 2011 Elsevier Inc. All rights reserved. ;EISSN: 1879-0518 ;DOI: 10.1016/j.contraception.2011.01.021 ;PMID: 21477680
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