bibliographicCitation |
Dahlöf C, Maassen Van Den Brink A. Dihydroergotamine, ergotamine, methysergide and sumatriptan - basic science in relation to migraine treatment. Headache. 2012 Apr;52(4):707–14. doi: 10.1111/j.1526-4610.2012.02124.x. PMID: 22444161. |