Historical perspectives on intravaginal contraceptive sponges.
D003274:Contraceptive Devices, Female / Q000266:history*; D005260:Female; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D013630:Tampons, Surgical