The manufacture of steroidal contraceptives: technical versus political aspects.
D003276:Contraceptives, Oral / Q000138:chemical synthesis*; D003278:Contraceptives, Oral, Hormonal / Q000138:chemical synthesis*; D003280:Contraceptives, Oral, Synthetic / Q000138:chemical synthesis*; D004345:Drug Industry; D008800:Mexico; D011057:Politics; D013678:Technology, Pharmaceutical
D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D003280:Contraceptives, Oral, Synthetic