TY - JOUR T1 - Colorectal Cancer JF - Ochsner Journal JO - Ochsner J SP - 2 LP - 3 VL - 11 IS - 1 AU - David E. Beck Y1 - 2011/03/20 UR - http://www.ochsnerjournal.org/content/11/1/2.abstract N2 - ER -