PT - JOURNAL ARTICLE AU - Johnstone, Caloren TI - What isn’t said AID - 10.1503/cmaj.141380 DP - 2015 May 19 TA - Canadian Medical Association Journal PG - 604--604 VI - 187 IP - 8 4099 - http://www.cmaj.ca/content/187/8/604.short 4100 - http://www.cmaj.ca/content/187/8/604.full SO - CMAJ2015 May 19; 187