PT - JOURNAL ARTICLE AU - Shaun D. Mehta TI - Challenges presented by a custodian-based medical record access system AID - 10.1503/cmaj.72281 DP - 2019 Jul 29 TA - Canadian Medical Association Journal PG - E843--E843 VI - 191 IP - 30 4099 - http://www.cmaj.ca/content/191/30/E843.short 4100 - http://www.cmaj.ca/content/191/30/E843.full SO - CMAJ2019 Jul 29; 191