RT Journal Article SR Electronic T1 Oil, water and health care — a difficult mix JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.109-3793 DO 10.1503/cmaj.109-3793 A1 Bernard Appiah YR 2011 UL http://www.cmaj.ca/content/early/2011/03/14/cmaj.109-3793.abstract AB