RT Journal Article SR Electronic T1 Value of histochemical reactions for mucosubstances in the diagnosis of certain pathological conditions of the colon and rectum. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 577 OP 586 DO 10.1136/gut.10.7.577 VO 10 IS 7 A1 Filipe, M I YR 1969 UL http://gut.bmj.com/content/10/7/577.abstract AB