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de Groot RJ, Lenstra JA, Luytjes W, Niesters HG, Horzinek MC, van der Zeijst BA, Spaan WJ.de Groot RJ, et al. Among authors: spaan wj.Adv Exp Med Biol. 1987;218:31-8. doi: 10.1007/978-1-4684-1280-2_4.Adv Exp Med Biol. 1987.PMID: 3434437No abstract available.