[ON ENDOMETRIAL CHANGES AFTER APPLICATION OF A NYLON RING IN THE UTERINE CAVITY FOR CONTRACEPTION].
D002681:China; D003267:Contraception; D003273:Contraceptive Devices; D004714:Endometrial Hyperplasia; D004716:Endometritis; D004717:Endometrium; D005260:Female; D006801:Humans; D009757:Nylons; D013223:Statistics as Topic
D009757:Nylons
CHINA; CONTRACEPTIVE DEVICES; ENDOMETRIAL HYPERPLASIA; ENDOMETRITIS; ENDOMETRIUM; NYLON; STATISTICS