RT Journal Article SR Electronic T1 Do you really know how tall you are? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 66 OP 66 DO 10.1503/cmaj.1060160 VO 176 IS 1 A1 Ian Blumer YR 2007 UL http://www.cmaj.ca/content/176/1/66.1.abstract