PT - JOURNAL ARTICLE AU - J Y Kang TI - Reply AID - 10.1136/gut.32.1.112-c DP - 1991 Jan 01 TA - Gut PG - 112--112 VI - 32 IP - 1 4099 - http://gut.bmj.com/content/32/1/112.4.short 4100 - http://gut.bmj.com/content/32/1/112.4.full SO - Gut1991 Jan 01; 32