title: Pneumonia morbidity in U.S. Naval personnel during 1970-1979.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009326:Naval Medicine; D011014:Pneumonia / Q000453:epidemiology*; D014481:United States