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Fertility and Sterility|January 1, 1976
Postpartum contraception: subsequent pregnancy, delivery, and abortion ratesJ J Shulman, C G MerrittArchives of Sexual Behavior|November 1, 1975
Age and perceived effects of erotica-pornography: a national sample studyC G Merritt, J E Gerstl, L A LoSciutoPageof 1