TY - JOUR T1 - Who should wear a face mask? Experts weigh in on Canada’s COVID-19 response JF - Canadian Medical Association Journal JO - CMAJ SP - E440 LP - E441 DO - 10.1503/cmaj.1095863 VL - 192 IS - 16 AU - Lauren Vogel Y1 - 2020/04/20 UR - http://www.cmaj.ca/content/192/16/E440.abstract N2 - ER -