1. Levin M. The international classification of headache disorders, 3rd edition (ICHD III)-changes and challenges. Headache. 2013; 53:1383–1395.
Article
2. Diener HC, Dodick DW, Aurora SK, Turkel CC, DeGryse RE, Lipton RB, et al. OnabotulinumtoxinA for treatment of chronic migraine: results from the double-blind, randomized, placebo-controlled phase of the PREEMPT 2 trial. Cephalalgia. 2010; 30:804–814.
Article
3. Khalil M, Zafar HW, Quarshie V, Ahmed F. Prospective analysis of the use of OnabotulinumtoxinA (BOTOX) in the treatment of chronic migraine; real-life data in 254 patients from Hull, U.K. J Headache Pain. 2014; 15:54.
Article
4. Barbanti P, Egeo G, Fofi L, Aurilia C, Piroso S. Rationale for use of onabotulinum toxin A (BOTOX) in chronic migraine. Neurol Sci. 2015; 36:29–32.
Article