title: Old age of onset in cluster-headache patients.
authors.forename: Marthe
authors.initials: M
authors.lastname: Fischera
authors.forename: Kerstin
authors.initials: K
authors.lastname: Anneken
authors.forename: Stefan
authors.initials: S
authors.lastname: Evers
mesh_terms: D017668:Age of Onset; D000368:Aged; D000369:Aged, 80 and over; D003027:Cluster Headache / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D006801:Humans