S. Bonini, M. G. Riccelli, M. Goldoni, L. Selis, and M. Corradi, “Risk factors for latent tuberculosis infection (LTBI) in health profession’s students of the University of Parma”, Acta Biomed, vol. 88, no. S1, pp. 54–60, Apr. 2017, doi: 10.23750/abm.v88i1 -S.6156.