PT - JOURNAL ARTICLE AU - C D Holdsworth AU - S S C Rao AU - N W Read TI - Reply AID - 10.1136/gut.29.5.696 DP - 1988 May 01 TA - Gut PG - 696--696 VI - 29 IP - 5 4099 - http://gut.bmj.com/content/29/5/696.1.short 4100 - http://gut.bmj.com/content/29/5/696.1.full SO - Gut1988 May 01; 29