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Mathe et al: “Clinical Application of Evoked Potentials and CNV for Objective Olfactometry” Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Oct. 31 -Nov. 3, 1991, vol. 13, No. PART 02/05, Oct. 31, 1991, Nagel et al p. 543 XP000348343 see p. 453 left hand col, line 1 right hand col, line 14, table 1. |