PT - JOURNAL ARTICLE AU - I Beales TI - Physician-technician AID - 10.1136/gut.52.11.1657 DP - 2003 Nov 01 TA - Gut PG - 1657--1657 VI - 52 IP - 11 4099 - http://gut.bmj.com/content/52/11/1657.1.short 4100 - http://gut.bmj.com/content/52/11/1657.1.full SO - Gut2003 Nov 01; 52