Yonsei UniversityYoo Bock LeeChung Sook KimJae Yun RoHyun Mo KwakChan Ho Song2007-11-131997-04-012007-11-131982http://hdl.handle.net/10625/14456Text1 digital file (14 p.)enINTRAUTERINE DEVICESCONTRACEPTIVE METHODSSAFETYFAMILY PLANNINGINTRAUTERINE MORTALITYHEALTH SURVEYSRESEARCH RESULTSLong term effects of IUD on the human endometrium : histologic, histochemical and ultrastructural studiesIDRC Final Report