RT Journal Article SR Electronic T1 Foodborne gastroenteritis due to Norwalk virus in a Winnipeg hotel JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1361b OP 1361 VO 142 IS 12 A1 Sekla, L. YR 1990 UL http://www.cmaj.ca/content/142/12/1361b.abstract