DOI: 10.1055/s-00000071

Seminars in Neurology

References

Friedman BW, Hochberg ML, Esses D. et al.
Applying the International Classification of Headache Disorders to the emergency department: an assessment of reproducibility and the frequency with which a unique diagnosis can be assigned to every acute headache presentation 
Ann Emerg Med 2007; 49(4) 409-419   e1-e9  

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