RT Journal Article SR Electronic T1 Canada’s ehealth software “Tower of Babel” JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1945 OP 1946 DO 10.1503/cmaj.109-3717 VO 182 IS 18 A1 Paul Christopher Webster YR 2010 UL http://www.cmaj.ca/content/182/18/1945.abstract