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August 2008 Contraception Update. Contraceptive efficacy Pearl Index Life Table Analysis Perfect use Typical use.
WHO MEC: Special situations MAR-2011-AP-(IN)-3627-SS 30-Aug-2012.
No More Missed Opportunities: Assuring post-partum women timely access to effective family planning Ominde Japheth Achola, Harriet Stanley, and Roy Jacobstein.