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Showing articles 0 to 2 of 2 Filter Applied: headache,intractable (Click to remove) Daily Scheduled Opioids for Intractable Head Pain Neurol 62:1687-1694,1662, Saper,J.R.,et al, 2004 Why Headache Treatment Fails Neurol 60:1064-1070, Lipton,R.B.,et al, 2003 Showing articles 0 to 2 of 2