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Halgren E, Stapleton J, Domalski P, Swartz BE, Delgado-Escueta AV, Walsh GO, Mandelkern M, Blahd W, Ropchan J.Halgren E, et al. Among authors: walsh go.Adv Neurol. 1991;55:385-410.Adv Neurol. 1991.PMID: 2003417Review.