RT Journal Article SR Electronic T1 Hemorrhagic colitis associated with Escherichia coli O157:H7 JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1329a OP 1329 VO 131 IS 11 A1 T. Martin A1 R. VanBurgsteden A1 D. G. Popick YR 1984 UL http://www.cmaj.ca/content/131/11/1329a.abstract