Heidelberg International Symposium on New Aspects in Female Contraception: Update and Trends. Abstracts. Heidelberg (West Germany), June 13th-16th, 1987.
D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans
D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral