title: [Chronic headache. Is it migraine or the medicine?].
authors.forename: B
authors.initials: B
authors.lastname: Wiedemann
mesh_terms: D000700:Analgesics / Q000008:administration & dosage / Q000009:adverse effects*; D003937:Diagnosis, Differential; D020773:Headache Disorders / Q000139:chemically induced*; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis* / Q000209:etiology; D012651:Self Medication
chemical_list: D000700:Analgesics