Use of Packed Red Blood Cells after Laparoscopic and Open Resection for Colorectal Tumors. A Case-Matched Study on 620 Patients. Issue 2 (February 2020) - Pedrazzani, Corrado; Turri, Giulia; Gecchele, Gabriele; Rivelli, Matteo; Secci, Federica; Tripepi, Marzia; Conti, Cristian; Lazzarini, Enrico; Valdegamberi, Alessandro; Malerba, Giovanni; Guglielmi, Alfredo