Update on the cost-effectiveness of contraceptives in the United States.
Trussell
James
J
D003270:Contraceptive Agents / Q000191:economics*; D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated / Q000191:economics*; D016912:Levonorgestrel / Q000191:economics; D014481:United States
D003270:Contraceptive Agents; D016912:Levonorgestrel