Association of Angiopoietin-2 and Ki-67 Expression with Vascular Density and Sunitinib Response in Metastatic Renal Cell Carcinoma. - Rautiola, Juhana; Lampinen, Anita; Mirtti, Tuomas; Ristimäki, Ari; Joensuu, Heikki; Bono, Petri; Saharinen, Pipsa (PLoS ONE, 2016)