[The tuberculin index in a sample of the school population in Modena].
FABIO
U
U
CREMONINI
G
G
D002648:Child; D006801:Humans; D055633:Immune System Phenomena; D007223:Infant; D012572:School Health Services; D012574:Schools; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin
SCHOOL HEALTH; TUBERCULIN REACTION/in infancy and childhood