TY - JOUR T1 - Surgery for Cancers of the Gastrointestinal Tract. A Step-by-Step Approach JF - Anticancer Research JO - Anticancer Res SP - 3111 LP - 3111 VL - 35 IS - 5 A2 - , Y1 - 2015/05/01 UR - http://ar.iiarjournals.org/content/35/5/3111.4.abstract N2 - ER -