Pharmacology of contraceptive agents - new compounds with new problems?
Sample
R G
RG
D003281:Contraceptives, Postcoital; D007267:Injections; D045167:Progesterone Congeners; D012098:Reproduction
D003281:Contraceptives, Postcoital; D045167:Progesterone Congeners
Contraceptive Agents, Postcoital; Contraceptive Implants; Injectables; Progestins, Low-dose; Reproduction