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Nikolaitchouk N, Andersch B, Falsen E, Strömbeck L, Mattsby-Baltzer I.Nikolaitchouk N, et al.APMIS. 2008 Apr;116(4):263-77. doi: 10.1111/j.1600-0463.2008.00808.x.APMIS. 2008.PMID: 18397461