title: July 1991. Selected communicable diseases in Maryland in 1990.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001906:Botulism / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology*; D004660:Encephalitis / Q000453:epidemiology; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology; D006801:Humans; D008297:Male; D008396:Maryland / Q000453:epidemiology; D008875:Middle Aged