RT Journal Article SR Electronic T1 Chronic spontaneous urticaria JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.150951 DO 10.1503/cmaj.150951 A1 Hsieh, Jane A1 Lee, Jason K. YR 2016 UL http://www.cmaj.ca/content/early/2016/07/11/cmaj.150951.abstract AB