Interferon-Beta-Induced Headache in Patients with Multiple Sclerosis: Frequency and Characterization
Alaa Elmazny, Sherif M Hamdy, Maged Abdel-Naseer, Nevin M Shalaby, Hatem S Shehata, Nirmeen A Kishk, Mona A Nada, Husam S Mourad, Mohamed I Hegazy, Ahmed Abdelalim, Sandra M Ahmed, Ghada Hatem, Amr M Fouad, Hadel Mahmoud, Amr Hassan Neurology Department, Faculty of Medicine, Cairo University, Cairo, EgyptCorrespondence: Hatem S ShehataNeurology Dep