Article
Lifetime prevalence and concordance risk of cluster headache in the Swedish twin population
11 Sept 2006
Abstract excerpt
OBJECTIVE: To examine the lifetime prevalence and the concordance risk of cluster headache (CH) in a twin sample representative of the Swedish general population. METHODS: The authors assessed CH as defined by the second edition of the International Classification of Headache Disorders in 31,750 registered twins born from 1935 to 1958. Structured lay screening interviews were followed by neurologist interviews of...
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