RT Journal Article SR Electronic T1 A 38-year-old man who uses crack cocaine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1383 OP 1384 DO 10.1503/cmaj.150491 VO 187 IS 18 A1 Sur, Amy H.W. A1 Loh, Lawrence C. YR 2015 UL http://www.cmaj.ca/content/187/18/1383.abstract