TY - JOUR T1 - Improving endoscopic resolution and sampling: fluorescence techniques JF - Gut JO - Gut SP - iv30 LP - iv33 DO - 10.1136/gut.52.suppl_4.iv30 VL - 52 IS - suppl 4 AU - C Ell Y1 - 2003/06/01 UR - http://gut.bmj.com/content/52/suppl_4/iv30.abstract N2 - Gastrointestinal tumours are usually associated with a poor prognosis, as most are only diagnosed at an advanced stage. Every effort to improve intraluminal diagnosis in gastroenterology must therefore be aimed at diagnosing gastrointestinal tract tumours at the earliest stage possible. ER -