title: Epidemiological and clinical aspects of cluster headache: relation with the migrainous syndrome.
authors.affiliation: Headache Centre, Institute of Neurology, University of Parma, Strada del Quartiere 4, I-43100 Parma, Italy.
authors.forename: G C
authors.initials: GC
authors.lastname: Manzoni
mesh_terms: D003027:Cluster Headache / Q000145:classification / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000145:classification / Q000453:epidemiology*; D015995:Prevalence; D017678:Sex Distribution