Contraceptive device.
Kravetz
Robert E
RE
American College of Gastroenterology, USA.
D003267:Contraception / Q000266:history* / Q000295:instrumentation; D003273:Contraceptive Devices / Q000266:history*; D004534:Egypt; D005060:Europe; D005260:Female; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D008297:Male; D009144:Museums / Q000266:history; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014481:United States