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Estimating contraceptive efficacy: the case of spermicides
Raymond, Elizabeth G., Trussell, James, Weaver, Mark A., Reeves, Matthew F.Volume:
87
Language:
english
Journal:
Contraception
DOI:
10.1016/j.contraception.2012.06.014
Date:
February, 2013
File:
PDF, 106 KB
english, 2013