title: Field preventive medicine and epidemiological surveillance: the Beirut, Lebanon experience, 1982.
mesh_terms: D000293:Adolescent; D000328:Adult; D003140:Communicable Disease Control; D003967:Diarrhea / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D007861:Lebanon; D008887:Military Medicine; D011314:Preventive Health Services / Q000458:organization & administration*; D012306:Risk; D014481:United States / Q000208:ethnology