Dimitroulis, D., Karaolanis, G., Katafigiotis, I., Anastasiou, I., Palla, V.-V., Kontos, A., Duvdevani, M. and Kontzoglou, K. 2017. Influence of HIV virus in the hospital stay and the occurrence of postoperative complications classified according to the Clavien-Dindo classification and in comparison with the Charlson Comorbidity Index in patients subjected to urologic and general surgery operations. Our preliminary results. Archivio Italiano di Urologia e Andrologia. 89, 2 (Jun. 2017), 125–129. DOI:https://doi.org/10.4081/aiua.2017.2.125.