RT Journal Article SR Electronic T1 Enterovirus D68 and disease severity: more questions than answers JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.151121 DO 10.1503/cmaj.151121 A1 Science, Michelle A1 Allen, Upton YR 2015 UL http://www.cmaj.ca/content/early/2015/10/13/cmaj.151121.abstract AB