Axitinib treatment in patients with cytokine-refractory metastatic renal-cell cancer: a phase II study.
Rixe O, Bukowski RM, Michaelson MD, Wilding G, Hudes GR, Bolte O, Motzer RJ, Bycott P, Liau KF, Freddo J, et al. Lancet Oncol. 2007 Nov; 8(11):975-84. Epub 2007 Oct 23.