[The tuberculin screening of boys in the 3rd grade of secondary schools located in the area of Local Health Unit No. 18, Empoli, Tuscany].
Salvadori
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U.O. Attività Sanitarie di Comunità U.S.L. 18, Empoli, FI.
D000293:Adolescent; D003151:Community Health Centers; D006801:Humans; D007558:Italy; D008297:Male; D008403:Mass Screening / Q000379:methods / Q000706:statistics & numerical data; D014374:Tuberculin Test / Q000379:methods / Q000706:statistics & numerical data; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*