Spechler S, Nieman LK, Premkumar A, Stratton P. The Keeper, a menstrual collection device, as a potential cause of endometriosis and adenomyosis. Gynecologic and Obstetric Investigation. 2003, 56 (1): 35–7. PMID 12867766. doi:10.1159/000072329.
Spechler S, Nieman LK, Premkumar A, Stratton P. The Keeper, a menstrual collection device, as a potential cause of endometriosis and adenomyosis. Gynecologic and Obstetric Investigation. 2003, 56 (1): 35–7. PMID 12867766. doi:10.1159/000072329.