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Pieters B, Maassen R, Van Eig E, Maathuis B, Van Den Dobbelsteen J, Van Zundert A.Pieters B, et al.Minerva Anestesiol. 2015 Aug;81(8):846-54. Epub 2014 Oct 14.Minerva Anestesiol. 2015.PMID: 25311949Free article.Clinical Trial.