1. Stovner LJ, Hagen H, Jensen R, et al. The global burden of headache: a documentation of headache prevalence and disability worldwide. Cephalalgia. 2007;27(3):193-210.
2. Vaughan R. My own private purgatory: how cluster headaches affect my life. Headache. 2008;48(10):1541-1543.
3. Headache Classification Subcommittee of the International Headache Society. The International Classification of Headache Disorders. 2nd ed. Cephalalgia. 2004;24 suppl 1:9-160.
4. Rozen TD, Fishman RS. Cluster headache in the United States of America: demographics, clinical characteristics, triggers, suicidality, and personal burden. Headache. 2012;52(1): 99-113.
5. Bahra A, Goadsby PJ. Diagnostic delays and mis-management in cluster headache. Acta Neurol Scand. 2004;109(3):175-179.
6. Dousset V, Laporte A, Legoff M, et al. Validation of a brief self-administered questionnaire for cluster headache screening in a tertiary center. Headache. 2009;49(1):64-70.
7. Jürgens TP, Gaul C, Lindwurm A, et al. Impairment in episodic and chronic cluster headache. Cephalalgia. 2011;31(6):671-682.
8. Scottish Intercollegiate Guidelines Network (SIGN). Diagnosis and management of headache in adults: a national clinical guideline. Edinburgh (Scotland): Scottish Intercollegiate Guidelines Network (SIGN). 2008;1-81. (SIGN publication; no. 107). www.sign.ac.uk/guide lines/fulltext/107/index.html. Accessed May 8, 2012.
9. Bahra A, May A, Goadsby PJ. Cluster headache: a prospective clinical study with diagnostic implications. Neurology. 2002;58(3): 354-361.
10. May A. Cluster headache: pathogenesis, diagnosis, and management. Lancet. 2005; 366(9488):843-855.
11. Law S, Derry S, Moore RA. Triptans for acute cluster headache. Cochrane Database Syst Rev. 2010 Apr 14;(4):CD008042.
12. Rozen TD. Trigeminal autonomic cephalalgias. Neurol Clin. 2009;27(2):537-556.
13. Nesbitt AD, Goadsby PJ. Cluster headache. BMJ. 2012;344:e2407. doi: 10.1136/bmj .e2407.
14. Ashkenazi A, Schwedt T. Cluster headache: acute and prophylactic therapy. Headache. 2011;51(2):272-286.
15. Rozen TD. Cluster headache as the result of secondhand cigarette smoke exposure during childhood. Headache. 2010;50(1):130-132.
16. Fischera M, Marziniak M, Gralow I, Evers S. The incidence and prevalence of cluster headache: a meta-analysis of population-based studies. Cephalalgia. 2008;28(6):614-618.
17. De Simone R, Fiorillo C, Bonuso S, Castaldo G. A cluster headache family with possible autosomal recessive inheritance. Neurology. 2003;61(4):578-579.
18. Leone M, Russell MB, Rigamonti A, et al. Increased familial risk of cluster headache. Neurology. 2001;56(9):1233-1236.
19. Matharu MS, Boes CJ, Goadsby PJ. Management of trigeminal autonomic cephalgias and hemicrania continua. Drugs. 2003;63(16): 1637-1677.
20. Evans RW, Krymchantowski AV. Cluster and other nonmigraine primary headaches with aura. Headache. 2011;51(4):604-608.
21. Rozen TD. Cluster headache with aura. Curr Pain Headache Rep. 2011;15(2):98-100.
22. Silberstein SD, Niknam R, Rozen TD, Young WB. Cluster headache with aura. Neurology. 2000;54(1):219-221.
23. Mainardi F, Trucco M, Maggioni F, et al. Cluster-like headache: a comprehensive reappraisal. Cephalalgia. 2010;30(4):399-412.
24. Magis D, Bruno MA, Fumal A, et al. Central modulation in cluster headache patients treated with occipital nerve stimulation: an FDG-PET study. BMC Neurol. 2011;11:25.
25. Goadsby PJ, Lipton RB. A review of paroxysmal hemicranias, SUNCT syndrome and other short-lasting headaches with autonomic feature, including new cases. Brain. 1997; 120(pt 1):193-209.
26. Leone M, Bussone G. Pathophysiology of trigeminal autonomic cephalalgias. Lancet Neurol. 2009;8(8):755-764.
27. Goadsby PJ, Raskin NH. Chapter 14. Headache. In: Longo DL, Fauci AS, Kasper DL, et al, eds. Harrison’s Principles of Internal Medicine. 18th ed. New York: McGraw-Hill; 2011:112-128.
28. Bendtsen L, Jensen R. Tension-type headache. Neurol Clin. 2009;27(2):525-535.
29. van Kleef M, Lataster A, Narouze S, et al. Evidenced-based interventional pain medicine according to clinical diagnoses. 2. Cluster headache. Pain Pract. 2009;9(6):435-442.
30. Detsky ME, McDonald DR, Baerlocher MO, et al. Does this patient with headache have a migraine or need neuroimaging? JAMA. 2006; 296(10):1274-1283.
31. Treatment Guideline Subcommittee of the Taiwan Headache Society. Neuroimaging guidelines in nonacute headaches [in Chinese]. Acta Neurol Taiwan. 2010;19(2):137-144.
32. Wilbrink LA, Ferrari MD, Kruit MC, Haan J. Neuroimaging in trigeminal autonomic cephalgias: when, how, and of what? Curr Opin Neurol. 2009;22(3):247-253.
33. Sempere AP, Porta-Etessam J, Medrano V, et al. Neuroimaging in the evaluation of patients with non-acute headache. Cephalalgia. 2005;25(1):30-35.
34. Favier I, van Vliet J, Roon K, et al. Trigeminal autonomic cephalgias due to structural lesions: a review of 31 cases. Arch Neurol. 2007;64(1):25-31.
35. Francis GJ, Becker WJ, Pringsheim TM. Acute and preventive pharmacologic treatment of cluster headache. Neurology. 2010; 75(5):463-473.
36. Bennett MH, French C, Schnabel A, et al. Normobaric and hyperbaric oxygen therapy for migraine and cluster headache. Cochrane Database Syst Rev. 2008 Jul 16;(3):CD005219.
37. Rozen TD. Inhaled oxygen for cluster headache: efficacy, mechanism of action, utilization, and economics. Curr Pain Headache Rep. 2012 Jan 29. [Epub ahead of print]
38. Rozen TD, Fishman RS. Inhaled oxygen and cluster headache sufferers in the United States: use, efficacy and economics: results from the United States Cluster Headache Survey. Headache. 2011;51(2):191-200.
39. Kudrow L. Response of cluster headache attacks to oxygen inhalation. Headache. 1981; 21:1-4.
40. Cohen AS, Burns B, Goadsby PJ. High-flow oxygen for treatment of cluster headache: a randomized trial. JAMA. 2009;302(22):2451-2457.
41. Mahadevan SV. Emergency airway management. In: Auerbach PS. Wilderness Medicine. 6th ed. Stanford, CA: Elsevier; 2011.
42. Göbel H, Lindner V, Heinze A, et al. Acute therapy for cluster headache with sumatriptan: findings of a one-year long-term study. Neurology. 1998;51(3):908-911.
43. Sicuteri F, Geppetti P, Marabini S, Lembeck F. Pain relief by somatostatin in attacks of cluster headache. Pain. 1984;184:359-365.
44. Matharu MS, Levy MJ, Meeran K, Goadsby PJ. Subcutaneous octreotide in cluster headache: randomized placebo-controlled double-blind crossover study. Ann Neurol. 2004;56(4): 488-494.
45. Leone M, D’Amico D, Frediani F, et al. Verapamil in the prophylaxis of episodic cluster headache: a double-blind study versus placebo. Neurology . 2000;54(6):1382-1385.
46. Tfelt-Hansen P, Tfelt-Hansen J. Verapamil for cluster headache: clinical pharmacology and possible mode of action. Headache. 2009;49(1): 117-125.
47. Blau JN, Engel HO. Individualizing treatment with verapamil for cluster headache patients. Headache. 2004;44(10):1013-1018.
48. Leone M, D’Amico D, Moschiano F, et al. Melatonin versus placebo in the prophylaxis of cluster headache: a double-blind pilot study with parallel groups. Cephalalgia. 1996;16(7): 494-496.
49. Sprenger T, Seifert CL, Miederer M, et al. Successful prophylactic treatment of chronic cluster headache with low-dose levomethadone. J Neurol. 2008;255(11):1832-1833.
50. Ambrosini A, Vandenheede M, Rossi P, et al. Suboccipital injection with a mixture of rapid- and long-acting steroids in cluster headache: a double-blind placebo-controlled study. Pain. 2005;118(1-2):92-96.
51. Peres MF, Stiles MA, Siow HC, et al. Greater occipital nerve blockade for cluster headache. Cephalalgia. 2002;22(7):520-522.
52. Leone M, Proietti Cecchini A, Franzini A, et al. Lessons from 8 years’ experience of hypothalamic stimulation in cluster headache. Cephalalgia. 2008;28(7):787-797.