Psychiatric comorbidity with chronic headache: evidence-based clinical implications--introduction to the supplement.
Lake
Alvin E
AE
Michigan Head Pain and Neurological Institute, Ann Arbor, MI 48104, USA.
Lipchik
Gay L
GL
Penzien
Donald B
DB
Rains
Jeanetta C
JC
Saper
Joel R
JR
Lipton
Richard B
RB
D002908:Chronic Disease; D019317:Evidence-Based Medicine; D006261:Headache / Q000150:complications*; D006801:Humans; D001523:Mental Disorders / Q000150:complications* / Q000175:diagnosis