Characterizing headache patients admitted from the emergency department: a retrospective study - AlGhamdi, Faisal; Alzahrani, Abdulelah A.; Alwatyan, Khaleel I.; Hariri, Reem A.; Alhowaish, Abdullah A.; Almobarak, Rahaf F.; Almulhim, Mohammed; Alkhadra, Faisal B. (Frontiers in Neurology, 2024)