Cluster Headache Help
Cluster headache help provides links to health, research, government, news, and personal sites related to living with this ailment.
http://www.chhelp.org/
Clusterheadaches.com
Cluster headaches and those that suffer, join the cluster headaches worldwide support group! this site is devoted completely and exclusively to those that suffer from cluster headaches
http://www.clusterheadaches.com/
Clusterhoofdpijn.nl
Clusterhoofdpijn, een bijna ondraaglijke vorm van hoofdpijn.
http://www.clusterhoofdpijn.nl/
Groene Amsterdammer
Groene Amsterdammer
http://www.groene.nl/1996/22/sp_hoofd.html
Ouch
At ouch (uk) you will find all the support, information, advice, understanding and encouragement that you will ever need to cope with the devastating condition of cluster headaches
http://www.clusterheadaches.org.uk/