title: Defining criteria of a putative inflammatory headache syndrome: cluster headache.
authors.forename: P
authors.initials: P
authors.lastname: Martelletti
authors.forename: M
authors.initials: M
authors.lastname: Giacovazzo
mesh_terms: D003027:Cluster Headache / Q000150:complications*; D006801:Humans; D007249:Inflammation / Q000209:etiology*