PT - JOURNAL ARTICLE AU - Vogelsang, H TI - Reply AID - 10.1136/gut.29.6.874-a DP - 1988 Jun 01 TA - Gut PG - 874--874 VI - 29 IP - 6 4099 - http://gut.bmj.com/content/29/6/874.2.short 4100 - http://gut.bmj.com/content/29/6/874.2.full SO - Gut1988 Jun 01; 29