From the National Institutes of Health.
Healy
B
B
National Institutes of Health, Bethesda, MD 20892.
D003275:Contraceptive Devices, Male; D005193:Family Planning Services / Q000379:methods*; D005260:Female; D006302:Health Services Research; D006801:Humans; D008297:Male; D009316:National Institutes of Health (U.S.); D014481:United States; D014614:Vaccines, Synthetic
D014614:Vaccines, Synthetic