Knowledge of contraceptive effectiveness.
Eisenberg, David L. MD, MPH *; Secura, Gina M. PhD; Madden, Tessa E. MD, MPH; Allsworth, Jenifer E. PhD; Zhao, Qiuhong MS; Peipert, Jeffrey F. MD, PhD
[Miscellaneous Article] American Journal of Obstetrics & Gynecology. 206(6):479e1-479e9, June 2012.

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