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van Ede K, Li A, Antunes-Fernandes E, Mulder P, Peijnenburg A, Hoogenboom R.van Ede K, et al.Anal Chim Acta. 2008 Jun 9;617(1-2):238-45. doi: 10.1016/j.aca.2008.01.054. Epub 2008 Feb 2.Anal Chim Acta. 2008.PMID: 18486664