New generation oral contraceptives of nineties.
Chowdhury
N N
NN
D002626:Chemistry, Pharmaceutical; D003267:Contraception / Q000379:methods / Q000639:trends*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects / Q000737:chemistry; D005544:Forecasting; D006801:Humans; D013607:Tablets
D003277:Contraceptives, Oral, Combined; D013607:Tablets