1 311 CIL 0081 protokol numaralı ve An open randomised parallel group multicenter trial to compare the efficacy of a stratified treatment regimen for acute migraine attacks in which patients receive therapy according to the grade of their migraine disability at baseline assesed by the MIDAS Questionnaire with that of two other treatment regimens in which patients receive standart therapy patients that may be altered after 3 attacks Stepped Care or within individual attacks Staged Care