Triptans Are All DifferentArch Neurol 58:1479-1480,1482, Rapoport,A.M.&Tepper,S.J., 2001
Eletriptan in Acute Migraine:A Double-Blind,Placebo-Controlled Comparison to SumatriptanNeurol 54:156-163, Goadsby,P.J.,et al, 2000