Legionnaires' disease among pneumonias in Iowa (FY 1972-1978).
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007484:Iowa; D007877:Legionnaires' Disease; D008297:Male; D008875:Middle Aged; D010507:Periodicity; D011014:Pneumonia / Q000453:epidemiology / Q000382:microbiology*