bibliographicCitation |
Rahimtoola H, Egberts AC, Buurma H, Tijssen CC, Leufkens HG. Patterns of ergotamine and sumatriptan use in the Netherlands from 1991 to 1997. Cephalalgia. 2001 Jun;21(5):596–603. doi: 10.1046/j.1468-2982.2001.00212.x. PMID: 11472386. |