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van der Wal JE, Hermsen MA, Gille HJ, Schouten-Van Meeteren NY, Moll AC, Imhof SM, Meijer GA, Baak JP, van der Valk P.van der Wal JE, et al. Among authors: baak jp.J Clin Pathol. 2003 Jan;56(1):26-30. doi: 10.1136/jcp.56.1.26.J Clin Pathol. 2003.PMID: 12499428Free PMC article.