Larcher, C., et al. “Immunosurveillance for Mycobacterium Tuberculosis of Health Care Personnel in a Third Level Care Hospital Immunosorveglianza Tubercolare Del Personale Sanitario in Un Ospedale Di Terzo Livello”. La Medicina Del Lavoro, vol. 103, no. 1, Jan. 2012, pp. 26-36, https://doi.org/10.23749/mdl.v103i1.1461.