title: The American Headache Society Cluster Guidelines.
authors.affiliation: Thomas Jefferson University, Philadelphia, PA, USA.
authors.forename: Stephen D
authors.initials: SD
authors.lastname: Silberstein
mesh_terms: D003027:Cluster Headache / Q000188:drug therapy* / Q000517:prevention & control*; D006801:Humans; D017410:Practice Guidelines as Topic; D012955:Societies, Medical; D014481:United States