Gordon Vallerie L, Harding Gary A, Czaykowski Piotr
Department of Internal Medicine, Section of Hematology and Medical Oncology, CancerCare Manitoba, University of Manitoba, 675 McDermot Avenue, Winnipeg, MB, R3E 0V9, Canada.
J Gastrointest Cancer. 2011 Dec;42(4):278-81. doi: 10.1007/s12029-010-9243-z.