RT Journal Article SR Electronic T1 Safe drinking water standards for First Nations communities JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1248 OP 1248 DO 10.1503/cmaj.060399 VO 174 IS 9 A1 Laura Eggertson YR 2006 UL http://www.cmaj.ca/content/174/9/1248.1.abstract