Das, R A possible role of prostaglandin E1 in the mechanism of action of intrauterine contraceptive device. [electronic resource] - The Indian journal of medical research Mar 1977 - 353-6 p. digital Publication Type: Journal Article ISSN: 0971-5916 Subjects--Topical Terms: AdultEndometrium--metabolismFemaleHumansIntrauterine DevicesMenstruationProstaglandins E--metabolism