New Guidelines to Evaluate the Response to Treatment in Solid Tumors. - Therasse,P.; Arbuck,S.G.; Eisenhauer,E.A.; Wanders,J.; Kaplan,R.S.; Rubinstein,L.; Verweij,J.; Van Glabbeke,M.; van Oosterom,A.T.; Christian,M.C.; Gwyther,S.G. (J Natl Cancer Inst, 2000)