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Showing articles 0 to 2 of 2 Filter Applied: headache,chronic (Click to remove) A 47-Year-Old Woman with Tension-Type Headaches JAMA 286:960-966, Welch,K.M.A., 2001 Chronic headache:Appropriate Use of Opiate Analgesics Neurol 44:S18-S24, Markley,H.G., 1994 Showing articles 0 to 2 of 2