Article
Chronic daily headache.
Current neurology and neuroscience reports - 1 Mar 2001
Láinez M J, Monzón M J
Abstract excerpt
Chronic daily headache (CDH) is a heterogeneous group of headaches that includes primary and secondary varieties. Primary CDH is a frequent entity that probably affects 4% to 5% of the population. It can be subdivided into headaches of short duration (less than 4 hours per attack), like chronic cluster headache, and disorders of long duration (greater than 4 hours per attack). Primary CDH of long duration...
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