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Effectiveness of Fertility Awareness-Based Methods for Pregnancy Prevention: A Systematic Review.

Peragallo Urrutia R, Polis CB, Jensen ET, Greene ME, Kennedy E, Stanford JB. Effectiveness of Fertility Awareness-Based Methods for Pregnancy Prevention: A Systematic Review. Obstet Gynecol. 2018 09; 132(3):591-604.

View in: PubMed