TY - JOUR T1 - Well-water maintenance JF - Canadian Medical Association Journal JO - CMAJ SP - 1438 LP - 1438 DO - 10.1503/cmaj.050377 VL - 172 IS - 11 AU - Erica Weir Y1 - 2005/05/24 UR - http://www.cmaj.ca/content/172/11/1438.abstract ER -