[NASAL CARRIERS OF PATHOGENIC STREPTOCOCCI AND SOCIOENVIRONMENTAL FACTORS. INVESTIGATIONS IN AN ELEMENTARY SCHOOL IN VENICE].
D000293:Adolescent; D002353:Carrier State; D002648:Child; D004777:Environment; D006801:Humans; D007558:Italy; D009666:Nose; D012574:Schools; D012924:Social Conditions; D013290:Streptococcal Infections; D013291:Streptococcus
ADOLESCENCE; CARRIER STATE; CHILD; ENVIRONMENT; ITALY; SOCIAL CONDITIONS; STREPTOCOCCAL INFECTIONS
PORTATORI NASALI DI STREPTOCOCCHI PATOGENI E FATTORI SOCIO-AMBIENTALI. INDAGINE IN UNA SCUOLA ELEMENTARE DI VENEZIA.