TY - JOUR T1 - Cobwebs JF - Canadian Medical Association Journal JO - CMAJ SP - E1194 LP - E1194 DO - 10.1503/cmaj.170052 VL - 189 IS - 37 AU - Christine Johnson Y1 - 2017/09/18 UR - http://www.cmaj.ca/content/189/37/E1194.abstract N2 - ER -