[Oral contraception by means of Enavid tablets containing norethynodrel].
D003267:Contraception; D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D009641:Norethynodrel; D013607:Tablets
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D013607:Tablets; D009641:Norethynodrel
CONTRACEPTIVES, ORAL