Streptococcal infections among children in a residential home. III. Some factors influencing susceptibility to infection.
D002648:Child; D004198:Disease Susceptibility; D006801:Humans; D007223:Infant; D013290:Streptococcal Infections; D014068:Tonsillectomy
STREPTOCOCCAL INFECTIONS/in infant and child; TONSILLECTOMY/effects