TY - JOUR T1 - The surgical mask is a bad fit for risk reduction JF - Canadian Medical Association Journal JO - CMAJ SP - 606 LP - 607 DO - 10.1503/cmaj.151236 VL - 188 IS - 8 AU - Shane Neilson Y1 - 2016/05/17 UR - http://www.cmaj.ca/content/188/8/606.abstract N2 - ER -