TY - JOUR T1 - “Four weddings and …” JF - Canadian Medical Association Journal JO - CMAJ SP - E166 LP - E167 DO - 10.1503/cmaj.181404 VL - 191 IS - 6 AU - Clive Kearon Y1 - 2019/02/11 UR - http://www.cmaj.ca/content/191/6/E166.abstract ER -