TY - JOUR T1 - Rare diseases reconsidered JF - Canadian Medical Association Journal JO - CMAJ SP - E315 LP - E316 DO - 10.1503/cmaj.109-4456 VL - 185 IS - 8 AU - Tim Lougheed Y1 - 2013/05/14 UR - http://www.cmaj.ca/content/185/8/E315.abstract N2 - ER -