Validation of the surveillance system for new cases of tuberculosis in a province of northern Italy. Varese Tuberculosis Study Group
GB Migliori, A Spanevello, L Ballardini, M Neri, C Gambarini, ML Moro, L Trnka, MC Raviglione
European Respiratory Journal 1995 8: 1252-1258; DOI: 10.1183/09031936.95.08081252