PT - JOURNAL ARTICLE AU - Kirsten Patrick AU - Muhammad Mamdani AU - Matthew B. Stanbrook AU - Diane Kelsall TI - Health services research: a special <em>CMAJ</em> focus AID - 10.1503/cmaj.171389 DP - 2017 Dec 11 TA - Canadian Medical Association Journal PG - E1504--E1504 VI - 189 IP - 49 4099 - http://www.cmaj.ca/content/189/49/E1504.short 4100 - http://www.cmaj.ca/content/189/49/E1504.full SO - CMAJ2017 Dec 11; 189