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Altschuler E, Moosa H, Selker RG, Vertosick FT Jr.Altschuler E, et al. Among authors: selker rg.Neurosurgery. 1990 Jul;27(1):74-6; discussion 77. doi: 10.1097/00006123-199007000-00010.Neurosurgery. 1990.PMID: 2377284