Contraception: an international perspective
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PII: S0010-7824(05)00326-4
doi:10.1016/j.contraception.2005.08.019
© 2006 Elsevier Inc. All rights reserved.
PII: S0010-7824(05)00326-4
doi:10.1016/j.contraception.2005.08.019
© 2006 Elsevier Inc. All rights reserved.