RT Journal Article SR Electronic T1 Cholera outbreaks continue JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1092 OP 1093 DO 10.1503/cmaj.1040287 VO 170 IS 7 A1 Erica Weir A1 Shariq Haider YR 2004 UL http://www.cmaj.ca/content/170/7/1092.abstract