Immunological significance of antistreptolysin O (ASL) in streptococcal infections. I. Sero-epidemiological studies in various age groups.
D000375:Aging; D000989:Antistreptolysin; D016021:Epidemiologic Studies; D006801:Humans; D013290:Streptococcal Infections
D000989:Antistreptolysin
AGING; ANTISTREPTOLYSIN; STREPTOCOCCAL INFECTIONS