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, P.

Annali di Igiene Medicina Preventiva e di Comunita 6(2): 103-107

1994


ISSN/ISBN: 1120-9135
PMID: 7532954
Document Number: 424858

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