Di Vita, G., C. Sciumè, R. Patti, G. Lauria Lauria, P. Leo, S. Milano, M. La Rosa, E. Cillari, G. Di Bella, and M. Frazzetta. 2001. “Th1-Like and Th2-Like Cytokines in Patients Undergoing Open Versus Laparascopic Cholecystectomy”. Annali Italiani Di Chirurgia 72 (4):485-93. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1282.