Cervicogenic headache (CEH): notes on some burning issues.
Fredriksen
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TA
Department of Neurosurgery and Neurology, Trondheim University Hospitals, Trondheim, Norway.
Sjaastad
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O
D020773:Headache Disorders / Q000175:diagnosis*; D006801:Humans; D010147:Pain Measurement; D012720:Severity of Illness Index; D009626:Terminology as Topic