Long-term efficacy and safety of erenumab in patients with chronic migraine in whom prior preventive treatments had failed: A subgroup analysis.

Ashina M, Tepper SJ, Brandes JL, Reuter U, Boudreau GP, Weatherall M, Gantenbein AR, Doležil D, Klatt J, Wang A, Karanam AK, Cheng S, Mikol DD. Long-term efficacy and safety of erenumab in patients with chronic migraine in whom prior preventive treatments had failed: A subgroup analysis. Headache. 2022 May; 62(5):624-633.

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