Visser, Eric J Is migraine a complex regional pain syndrome of the brain? Migraine prophylaxis with vitamin C? [electronic resource] - Pain practice : the official journal of World Institute of Pain - 199-200 p. digital Publication Type: Letter ISSN: 1533-2500 Standard No.: 10.1111/j.1533-2500.2011.00442.x doi Subjects--Topical Terms: Ascorbic Acid--therapeutic useComplex Regional Pain Syndromes--diagnosisDiagnosis, DifferentialHumansMigraine Disorders--diagnosisOxidative Stress--drug effects