Streptococcal pharyngitis: occurrence and characteristics in rural practice.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D010612:Pharyngitis / Q000209:etiology*; D012423:Rural Health; D013290:Streptococcal Infections / Q000453:epidemiology*; D014069:Tonsillitis / Q000150:complications