title: [Headache as the chief symptom. I].
authors.affiliation: Abteilung Klinische Neurophysiologie der Universität Göttingen.
authors.forename: W
authors.initials: W
authors.lastname: Paulus
mesh_terms: D003027:Cluster Headache / Q000145:classification / Q000188:drug therapy / Q000209:etiology; D003937:Diagnosis, Differential; D006261:Headache / Q000145:classification / Q000188:drug therapy / Q000209:etiology*; D006801:Humans; D008881:Migraine Disorders / Q000145:classification / Q000188:drug therapy / Q000209:etiology*