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Marshall BE, Wurzel HA, Ewing BC, Aukburg SJ, Neufeld GR.Marshall BE, et al. Among authors: aukburg sj.Can Anaesth Soc J. 1978 May;25(3):204-10. doi: 10.1007/BF03004880.Can Anaesth Soc J. 1978.PMID: 656992