RT Journal Article SR Electronic T1 DNA probes for diagnosis of intestinal infection. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1 OP 3 DO 10.1136/gut.32.1.1 VO 32 IS 1 A1 S Char A1 M J Farthing YR 1991 UL http://gut.bmj.com/content/32/1/1.abstract AB