PT - JOURNAL ARTICLE AU - A E Cowen AU - C B Campbell TI - A single intestinal intubation technique for multiple function studies. AID - 10.1136/gut.12.11.936 DP - 1971 Nov 01 TA - Gut PG - 936--937 VI - 12 IP - 11 4099 - http://gut.bmj.com/content/12/11/936.short 4100 - http://gut.bmj.com/content/12/11/936.full SO - Gut1971 Nov 01; 12