Riccò, Matteo, et al. “Hypersensitivity Pneumonia and HIV Infection in Occupational Settings: A Case Report from Northern Italy”. Acta Biomedica Atenei Parmensis, vol. 90, no. 3, Sept. 2019, pp. 331-5, https://doi.org/10.23750/abm.v90i3.7538.