Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEverything old is new again.SubjectsDIHYDROERGOTAMINE; MIGRAINE; PHYSICIANS' attitudes; HEALTH insurance reimbursement; HEADACHE; PAIN managementPublicationHeadache: The Journal of Head & Face Pain, 2021, Vol 61, Issue 8, p1286ISSN0017-8748Publication typeLetter to the EditorDOI10.1111/head.14181