Association of percentage of tumour burden removed with debulking nephrectomy and progression-free survival in patients with metastatic renal cell carcinoma treated with vascular endothelial growth factor-targeted therapy. - Barbastefano, Juan; Garcia, Jorge A.; Elson, Paul; Wood, Laura S.; Lane, Brian R.; Dreicer, Robert; Campbell, Steven C.; Rini, Brian I. (BJU International, 2010)