TY - JOUR T1 - Well-water maintenance JF - Canadian Medical Association Journal JO - CMAJ SP - 1067 LP - 1067 DO - 10.1503/cmaj.1050148 VL - 173 IS - 9 AU - Patrick Levallois AU - Pierre Payment Y1 - 2005/10/25 UR - http://www.cmaj.ca/content/173/9/1067.1.abstract ER -