Shen, J M Cluster headache: the peripheral chemosensitivity as indicated by the single-breath CO2 test. [electronic resource] - Headache Feb 1994 - 83-7 p. digital Publication Type: Journal Article ISSN: 0017-8748 Standard No.: 10.1111/j.1526-4610.1994.hed3402083.x doi Subjects--Topical Terms: Administration, InhalationAdultCarbon DioxideCarotid Body--physiopathologyChemoreceptor Cells--physiopathologyCluster Headache--physiopathologyFemaleHumansMaleMiddle Aged