Outcome for headache and pain-free nonresponders to treatment of the first attack: a pooled post-hoc analysis of four randomized trials of eletriptan 40 mg.

Landy SH, Tepper SJ, Schweizer E, Almas M, Ramos E. Outcome for headache and pain-free nonresponders to treatment of the first attack: a pooled post-hoc analysis of four randomized trials of eletriptan 40 mg. Cephalalgia. 2014 Apr; 34(5):376-81.

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