[Tuberculin and photofluorographic examinations in schools; results and problems of systematic controls made from 1952 to 1956].
D006801:Humans; D012574:Schools; D014373:Tuberculin; D014374:Tuberculin Test / Q000706:statistics & numerical data*; D014376:Tuberculosis / Q000517:prevention & control*
D014373:Tuberculin
TUBERCULIN REACTION/statistics; TUBERCULOSIS/prevention and control
Indagini tubercoliniche e schermografiche nelle scuole; risultati e considerazioni sui controlli sistematici eseguiti dal 1952 al 1956.