PT - JOURNAL ARTICLE ED - , TI - More endoscopists improve outcome for upper GI cancer DP - 2006 Jul 01 TA - British Journal of Sports Medicine PG - 636--636 VI - 40 IP - 7 4099 - http://bjsm.bmj.com/content/40/7/636.short 4100 - http://bjsm.bmj.com/content/40/7/636.full SO - Br J Sports Med2006 Jul 01; 40