Phase II DeCOG-study of ipilimumab in pretreated and treatment-naïve patients with metastatic uveal melanoma. oleh Lisa Zimmer, Julia Vaubel, Peter Mohr, Axel Hauschild, Jochen Utikal, Jan Simon, Claus Garbe, Rudolf Herbst, Alexander Enk, Eckhart Kämpgen, Elisabeth Livingstone, Leonie Bluhm, Rainer Rompel, Klaus G Griewank, Michael Fluck, Bastian Schilling, Dirk Schadendorf