(Q51510774)
Statements
1 reference
Cervicogenic headache: diagnostic criteria. The Cervicogenic Headache International Study Group. (English)
1 reference
Sjaastad O
1 reference
Fredriksen TA
1 reference
Pfaffenrath V
1 reference
1 June 1998
1 reference
1 reference
38
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6
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442-445
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Identifiers
1 reference