PT - JOURNAL ARTICLE AU - B Scott TI - Endoscopic demands in the 90's. AID - 10.1136/gut.31.2.125 DP - 1990 Feb 01 TA - Gut PG - 125--126 VI - 31 IP - 2 4099 - http://gut.bmj.com/content/31/2/125.short 4100 - http://gut.bmj.com/content/31/2/125.full SO - Gut1990 Feb 01; 31