HomeEffect of VEGF receptor inhibitor PTK787/ZK222548 combined with ionizing radiation on endothelial cells and tumour growth August 26, 2010 print this article Effect of VEGF receptor inhibitor PTK787/ZK222548 combined with ionizing radiation on endothelial cells and tumour growth Hess et al.; Br J Cancer. 2001 Dec 14;85(12):2010-6