PT - JOURNAL ARTICLE AU - Cameron W. Pierce TI - Clarifying the role of lung ultrasonography in COVID-19 respiratory disease AID - 10.1503/cmaj.75311 DP - 2020 Apr 20 TA - Canadian Medical Association Journal PG - E436--E436 VI - 192 IP - 16 4099 - http://www.cmaj.ca/content/192/16/E436.short 4100 - http://www.cmaj.ca/content/192/16/E436.full SO - CMAJ2020 Apr 20; 192