Presidential address. Development and disease: a dual dilemma.
D000818:Animals; D003441:Crowding; D003906:Developing Countries; D004463:Ecology; D004777:Environment; D006801:Humans; D007221:Industry; D010272:Parasitic Diseases / Q000209:etiology / Q000517:prevention & control; D011158:Population Growth; D012106:Research; D013672:Technology; D014881:Water Supply