PT - JOURNAL ARTICLE AU - Michael Lang TI - Time and space AID - 10.1503/cmaj.161099 DP - 2017 Mar 06 TA - Canadian Medical Association Journal PG - E370--E371 VI - 189 IP - 9 4099 - http://www.cmaj.ca/content/189/9/E370.short 4100 - http://www.cmaj.ca/content/189/9/E370.full SO - CMAJ2017 Mar 06; 189