Davis, G Menstrual regulation: a potential breakthrough in fertility control. [electronic resource] - Journal of reproduction and fertility Apr 1974 - 467-73 p. digital Publication Type: Journal Article ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.0370467 doi Subjects--Topical Terms: Abortion, TherapeuticContraceptionCurettageFemaleHumansMenstruationMethodsOvulationPregnancy