TY - JOUR T1 - Sweating blood: history and review JF - Canadian Medical Association Journal JO - CMAJ SP - E1315 LP - E1317 DO - 10.1503/cmaj.170756 VL - 189 IS - 42 AU - Jacalyn Duffin Y1 - 2017/10/23 UR - http://www.cmaj.ca/content/189/42/E1315.abstract N2 - ER -