[Studies on the question of the contraceptive effect of low gestagen dosage].
D000328:Adult; D002715:Chlormadinone Acetate / Q000008:administration & dosage* / Q000494:pharmacology; D003276:Contraceptives, Oral / Q000008:administration & dosage* / Q000494:pharmacology; D005260:Female; D006801:Humans
D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate
Untersuchungen zur Frage der kontrazeptischen Wirkung niedriger Gestagendosen.