[Progress in contraception:  factors limiting the development of new methods].
Quist
C
C
D000569:Americas; D002715:Chlormadinone Acetate; D003267:Contraception; D019049:Developed Countries; D005060:Europe; D005193:Family Planning Services; D005602:France; D006077:Government Agencies; D007878:Legislation as Topic; D009656:North America; D009938:Organizations; D006113:United Kingdom; D014481:United States
D002715:Chlormadinone Acetate
Americas; Chlormadinone Acetate; Contraception; Contraceptive Agents, Progestin; Developed Countries; Europe; Family Planning; France; Government Agencies; Laws And Statutes; Mediterranean Countries; North America; Northern America; Northern Europe; Organizations; United Kingdom; United States; Western Europe