title: Chronic daily headache: challenges in treatment.
authors: Neurology Resident, Rhode Island Hospital; Instructor in Neurology, The Warren Alpert Medical School of Brown University.
authors: Jay H
authors: JH
authors: Levin
authors: Neurologist, The Neurology Foundation, and Rhode Island Hospital, and Assistant Professor of Neurology, The Warren Alpert Medical School of Brown University.
authors: Michelle
authors: M
authors: Mellion
mesh_terms: D002908:Chronic Disease; D020773:Headache Disorders / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy*; D006801:Humans