PT - JOURNAL ARTICLE AU - Paul Gessell TI - Acting to the very limits of what you can do AID - 10.1503/cmaj.160304 DP - 2016 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.160304 4099 - http://www.cmaj.ca/content/early/2016/06/26/cmaj.160304.short 4100 - http://www.cmaj.ca/content/early/2016/06/26/cmaj.160304.full