RT Journal Article SR Electronic T1 Tegaserod (Zelnorm) for irritable bowel syndrome: reports of serious diarrhea and intestinal ischemia JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1908 OP 1908 DO 10.1503/cmaj.1040882 VO 170 IS 13 A1 Eric Wooltorton YR 2004 UL http://www.cmaj.ca/content/170/13/1908.abstract