U.S. lags on birth control development.
Roberts
L
L
D003270:Contraceptive Agents; D003273:Contraceptive Devices; D005193:Family Planning Services / Q000331:legislation & jurisprudence* / Q000639:trends; D005260:Female; D006801:Humans; D008297:Male; D013245:Sterilization, Reproductive; D014481:United States
D003270:Contraceptive Agents