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Showing articles 0 to 3 of 3 Filter Applied: drug dependence (Click to remove) Analgesic Headache BMJ 310:479-480, Olesen,J., 1995 Chronic headache:Appropriate Use of Opiate Analgesics Neurol 44:S18-S24, Markley,H.G., 1994 Is There a Problem with Long Term Use of Sumatriptan in Acute Migraine? BMJ 308:113, Osborne,M.J.,et al, 1994 Showing articles 0 to 3 of 3