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Boon ME, Schmidt U, Cramer-Knijnenburg GI, van Krieken JH.Boon ME, et al. Among authors: cramer knijnenburg gi.Pathol Res Pract. 1992 Oct;188(7):832-5. doi: 10.1016/S0344-0338(11)80240-2.Pathol Res Pract. 1992.PMID: 1448372