Stathopoulos GP, Rigatos SK, Dimopoulos MA, Giannakakis T, Foutzilas G, Kouroussis C, Janninis D, Aravantinos G, Androulakis N, Agelaki S, et al. Treatment of pancreatic cancer with a combination of irinotecan (CPT-11) and gemcitabine: A multicenter phase II study by the Greek Cooperative Group for Pancreatic Cancer. Annals of Oncology [Internet]. 2003;14(3):388 - 394.