PT - JOURNAL ARTICLE ED - , TI - Immunohistochemical Cal9-9 in primary colonic polyps and polyps synchronous with colorectal cancer AID - 10.1136/gut.28.8.1049 DP - 1987 Aug 01 TA - Gut PG - 1049--1055 VI - 28 IP - 8 4099 - http://gut.bmj.com/content/28/8/1049.short 4100 - http://gut.bmj.com/content/28/8/1049.full SO - Gut1987 Aug 01; 28