After 50 years of ethinylestradiol, another oestrogen in combined oral contraceptives.
Joaquim Calaf I
JC
Alsina
D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000737:chemistry* / Q000266:history; D004997:Ethinyl Estradiol / Q000008:administration & dosage / Q000494:pharmacology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D009277:Nandrolone / Q000008:administration & dosage / Q000031:analogs & derivatives*; D011372:Progestins / Q000008:administration & dosage
D003277:Contraceptives, Oral, Combined; D011372:Progestins; D004997:Ethinyl Estradiol; C023635:dienogest; D009277:Nandrolone