Nova T 380 and levonorgestrel IUS studies.
Richardson
S
S
Cox
M
M
D000282:Administration, Intravaginal; D002986:Clinical Trials as Topic; D003271:Contraceptive Agents, Female / Q000008:administration & dosage*; D004717:Endometrium / Q000187:drug effects; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel / Q000008:administration & dosage*; D015993:Life Tables; D011247:Pregnancy; D011256:Pregnancy Outcome
D003271:Contraceptive Agents, Female; D016912:Levonorgestrel