RT Journal Article SR Electronic T1 Medication-overuse headache JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E296 OP E296 DO 10.1503/cmaj.171101 VO 190 IS 10 A1 Micieli, Andrew A1 Robblee, Jennifer YR 2018 UL http://www.cmaj.ca/content/190/10/E296.abstract