RT Journal Article SR Electronic T1 Barriers to accessing data are bad medicine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1203 OP 1203 DO 10.1503/cmaj.109-4894 VO 186 IS 16 A1 Carolyn Brown YR 2014 UL http://www.cmaj.ca/content/186/16/1203.abstract AB