PT - JOURNAL ARTICLE AU - Sarah Brown TI - Emergency physicians and public health experts call for tight regulations on cannabis edibles and concentrates AID - 10.1503/cmaj.109-5703 DP - 2019 Jan 28 TA - Canadian Medical Association Journal PG - E111--E112 VI - 191 IP - 4 4099 - http://www.cmaj.ca/content/191/4/E111.short 4100 - http://www.cmaj.ca/content/191/4/E111.full SO - CMAJ2019 Jan 28; 191