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Haspeslagh SR, Van Suijlekom HA, Lamé IE, Kessels AG, van Kleef M, Weber WE.Haspeslagh SR, et al. Among authors: kessels ag.BMC Anesthesiol. 2006 Feb 16;6:1. doi: 10.1186/1471-2253-6-1.BMC Anesthesiol. 2006.PMID: 16483374Free PMC article.