PT - JOURNAL ARTICLE AU - Carolyn Brown TI - Stress of first postgraduate year leaves mark at cellular level for medical trainees AID - 10.1503/cmaj.109-5770 DP - 2019 Jul 08 TA - Canadian Medical Association Journal PG - E773--E774 VI - 191 IP - 27 4099 - http://www.cmaj.ca/content/191/27/E773.short 4100 - http://www.cmaj.ca/content/191/27/E773.full SO - CMAJ2019 Jul 08; 191