(Q73209646)
Statements
Contraceptive progestins. Various 11-substituents combined with four 17-substituents: 17alpha-ethynyl, five- and six-membered spiromethylene ethers or six-membered spiromethylene lactones (English)
W G Schoonen
G Deckers
M E de Gooijer
R de Ries
G Mathijssen-Mommers
H Hamersma
H J Kloosterboer
1 October 2000