[Triphasic versus monophasic p-pill. A comparative multicenter study].
Engebretsen
T
T
Thorsen
E
E
Smith
C C
CC
Bull-Njaa
T
T
Christensen
A
A
D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects; D005260:Female; D006801:Humans; D011897:Random Allocation
D003277:Contraceptives, Oral, Combined
Trefasisk versus monofasisk p-pille. En sammenlignende multisenterstudie.