TY - JOUR T1 - Gastrointestinal oncology – what you need to know JF - Clinical Medicine JO - Clin Med SP - 575 LP - 579 DO - 10.7861/clinmedicine.12-6-575 VL - 12 IS - 6 AU - Elizabeth Smyth AU - David Cunningham Y1 - 2012/12/01 UR - http://www.rcpjournals.org/content/12/6/575.abstract ER -