Chronic Daily Headache
Neurol 42:32-36, Sheftell,F.D., 1992
Acute Hepatic Encephalopathy: Diffusion-Weighted and Fluid-Attenuated Inversion Recovery Findings, and Correlation With Plasma Ammonia Level and Clinical Outcome
AJNR 31:1471-1479, McKinney,A.M.,et al, 2010
Chronic Daily Headache With Analgesic Overuse
Neurol 62:1338-1342, Colas,R.,et al, 2004
A 47-Year-Old Woman with Tension-Type Headaches
JAMA 286:960-966, Welch,K.M.A., 2001