[EXPERIENCES WITH ORAL OVULATION INHIBITORS].
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D034445:Ovulation Inhibition; D011372:Progestins
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D011372:Progestins
CONTRACEPTIVES, ORAL; PROGESTATIONAL HORMONES
ERVARINGEN MET ORALE OVULATIE-REMMERS.