Intrauterine contraceptive devices.
Rowlands
S
S
D000293:Adolescent; D000328:Adult; D004867:Equipment Design; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel; D011247:Pregnancy
D016912:Levonorgestrel