PT - JOURNAL ARTICLE AU - Fletcher, John TI - Ethical approval for all studies involving human participants AID - 10.1503/cmaj.141538 DP - 2015 Feb 03 TA - Canadian Medical Association Journal PG - 91--91 VI - 187 IP - 2 4099 - http://www.cmaj.ca/content/187/2/91.short 4100 - http://www.cmaj.ca/content/187/2/91.full SO - CMAJ2015 Feb 03; 187