PT - JOURNAL ARTICLE AU - J Powell-Tuck TI - Artificial Nutrition Support in Clinical Practice, 2nd edn AID - 10.1136/gut.52.3.456-a DP - 2003 Mar 01 TA - Gut PG - 456--456 VI - 52 IP - 3 4099 - http://gut.bmj.com/content/52/3/456.2.short 4100 - http://gut.bmj.com/content/52/3/456.2.full SO - Gut2003 Mar 01; 52