Chemical birth of the pill. 1992.
Djerassi
Carl
C
D003280:Contraceptives, Oral, Synthetic / Q000138:chemical synthesis / Q000266:history*; D049673:History, 20th Century; D009640:Norethindrone / Q000138:chemical synthesis / Q000266:history*; D009641:Norethynodrel / Q000138:chemical synthesis / Q000266:history*; D013678:Technology, Pharmaceutical / Q000266:history*
D003280:Contraceptives, Oral, Synthetic; D009641:Norethynodrel; D009640:Norethindrone