Rozen, T. D.; Fishman, R. S. (2011). „Cluster headache in the United States of America: demographics, clinical characteristics, triggers, suicidality, and personal burden”. Headache. 52 (1): 99—113. PMID22077141. S2CID28345322. doi:10.1111/j.1526-4610.2011.02028.x..
Swanson, J. W.; Yanagihara, T.; Stang, P. E.; O'Fallon, W. M.; Beard, C. M.; Melton Lj, 3rd; Guess, H. A. (1994). „Incidence of cluster headaches: A population-based study in Olmsted County, Minnesota”. Neurology. 44 (3 Pt 1): 433—437. PMID8145911. S2CID22641566. doi:10.1212/wnl.44.3_part_1.433.
Katsarava, Z.; Obermann, M.; Yoon, M-S; Dommes, P.; Kuznetsova, J.; Weimar, C.; Diener, HC (2007). „Prevalence of Cluster Headache in a Population-Based Sample in Germany”. Cephalalgia. 27 (9): 1014—1019. PMID17666085. S2CID41868840. doi:10.1111/j.1468-2982.2007.01380.x..
Tonon, C.; Guttmann, S.; Volpini, M.; Naccarato, S.; Cortelli, P.; d'Alessandro, R. (2002). „Prevalence and incidence of cluster headache in the Republic of San Marino”. Neurology. 58 (9): 1407—1409. PMID12011291. S2CID19311502. doi:10.1212/wnl.58.9.1407.
Larriviere, D.; Bonnie, R. J. (2006). „Terminating artificial nutrition and hydration in persistent vegetative state patients: Current and proposed state laws”. Neurology. 66 (8): 1624—6. PMID16571840. S2CID40424247. doi:10.1212/01.wnl.0000217133.21665.55.
Rozen, T. D.; Fishman, R. S. (2011). „Cluster headache in the United States of America: demographics, clinical characteristics, triggers, suicidality, and personal burden”. Headache. 52 (1): 99—113. PMID22077141. S2CID28345322. doi:10.1111/j.1526-4610.2011.02028.x..
Swanson, J. W.; Yanagihara, T.; Stang, P. E.; O'Fallon, W. M.; Beard, C. M.; Melton Lj, 3rd; Guess, H. A. (1994). „Incidence of cluster headaches: A population-based study in Olmsted County, Minnesota”. Neurology. 44 (3 Pt 1): 433—437. PMID8145911. S2CID22641566. doi:10.1212/wnl.44.3_part_1.433.
Torelli, P.; Castellini, P.; Cucurachi, L.; Devetak, M.; Lambru, G.; Manzoni, G. C. (2006). „Cluster headache prevalence: Methodological considerations. A review of the literature”. Acta Bio-Medica : Atenei Parmensis. 77 (1): 4—9. PMID16856701.
Katsarava, Z.; Obermann, M.; Yoon, M-S; Dommes, P.; Kuznetsova, J.; Weimar, C.; Diener, HC (2007). „Prevalence of Cluster Headache in a Population-Based Sample in Germany”. Cephalalgia. 27 (9): 1014—1019. PMID17666085. S2CID41868840. doi:10.1111/j.1468-2982.2007.01380.x..
Tonon, C.; Guttmann, S.; Volpini, M.; Naccarato, S.; Cortelli, P.; d'Alessandro, R. (2002). „Prevalence and incidence of cluster headache in the Republic of San Marino”. Neurology. 58 (9): 1407—1409. PMID12011291. S2CID19311502. doi:10.1212/wnl.58.9.1407.
Larriviere, D.; Bonnie, R. J. (2006). „Terminating artificial nutrition and hydration in persistent vegetative state patients: Current and proposed state laws”. Neurology. 66 (8): 1624—6. PMID16571840. S2CID40424247. doi:10.1212/01.wnl.0000217133.21665.55.
Rozen, T. D.; Fishman, R. S. (2011). „Cluster headache in the United States of America: demographics, clinical characteristics, triggers, suicidality, and personal burden”. Headache. 52 (1): 99—113. PMID22077141. S2CID28345322. doi:10.1111/j.1526-4610.2011.02028.x..
Swanson, J. W.; Yanagihara, T.; Stang, P. E.; O'Fallon, W. M.; Beard, C. M.; Melton Lj, 3rd; Guess, H. A. (1994). „Incidence of cluster headaches: A population-based study in Olmsted County, Minnesota”. Neurology. 44 (3 Pt 1): 433—437. PMID8145911. S2CID22641566. doi:10.1212/wnl.44.3_part_1.433.
Katsarava, Z.; Obermann, M.; Yoon, M-S; Dommes, P.; Kuznetsova, J.; Weimar, C.; Diener, HC (2007). „Prevalence of Cluster Headache in a Population-Based Sample in Germany”. Cephalalgia. 27 (9): 1014—1019. PMID17666085. S2CID41868840. doi:10.1111/j.1468-2982.2007.01380.x..
Tonon, C.; Guttmann, S.; Volpini, M.; Naccarato, S.; Cortelli, P.; d'Alessandro, R. (2002). „Prevalence and incidence of cluster headache in the Republic of San Marino”. Neurology. 58 (9): 1407—1409. PMID12011291. S2CID19311502. doi:10.1212/wnl.58.9.1407.
Larriviere, D.; Bonnie, R. J. (2006). „Terminating artificial nutrition and hydration in persistent vegetative state patients: Current and proposed state laws”. Neurology. 66 (8): 1624—6. PMID16571840. S2CID40424247. doi:10.1212/01.wnl.0000217133.21665.55.