Science's role in the World Health Organization.
D004813:Epidemiology; D006285:Health Planning; D007255:Information Services; D013677:Medical Laboratory Science; D009934:Organization and Administration; D010272:Parasitic Diseases / Q000517:prevention & control; D011155:Population Control; D012106:Research; D012586:Science; D014116:Toxicology; D014944:World Health Organization