title: Nasal plug as an aid for cluster headaches: relevance of the nasal cycle.
authors.forename: J
authors.initials: J
authors.lastname: Backon
mesh_terms: D003027:Cluster Headache / Q000628:therapy*; D007839:Functional Laterality / Q000502:physiology; D006801:Humans; D009666:Nose / Q000294:innervation* / Q000503:physiopathology; D012119:Respiration; D014653:Vascular Headaches / Q000628:therapy*