Para, O., Zaccagnini, G., Corbo, L., Pieralli, F., Mancini, A., Scheggi, V., Tramonte, F. and Nozzoli, C. (2020) “Pneumocystis pneumonia in HIV-negative immunocompromised patients in Internal Medicine ward”, Italian Journal of Medicine, 14(2), pp. 69–78. doi: 10.4081/itjm.2020.1262.