Progestogen-only contraceptive use among breastfeeding women: a systematic review☆
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☆ The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the World Health Organization or Centers for Disease Control and Prevention.
PII: S0010-7824(10)00046-6
doi:10.1016/j.contraception.2010.02.002
© 2010 Elsevier Inc. All rights reserved.
