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van Winkelhoff AJ, Abbas F, Pavicic MJ, de Graaff J.van Winkelhoff AJ, et al. Among authors: de graaff j.Ned Tijdschr Geneeskd. 1991 Dec 28;135(52):2489-91.Ned Tijdschr Geneeskd. 1991.PMID: 1758517Dutch.
Goené RJ, van Winkelhoff AJ, de Graaff J.Goené RJ, et al. Among authors: de graaff j.Ned Tijdschr Tandheelkd. 1990 Apr;97(4):163-6.Ned Tijdschr Tandheelkd. 1990.PMID: 2215799Dutch.
van Winkelhoff AJ, Overbeek BP, Pavicić MJ, van den Bergh JP, Ernst JP, de Graaff J.van Winkelhoff AJ, et al. Among authors: de graaff j.Clin Infect Dis. 1993 Feb;16(2):216-8. doi: 10.1093/clind/16.2.216.Clin Infect Dis. 1993.PMID: 8443299
van Winkelhoff AJ, van den Bergh JP, Overbeek BP, Pavicić MJ, de Graaff J.van Winkelhoff AJ, et al. Among authors: de graaff j.Ned Tijdschr Geneeskd. 1992 Apr 4;136(14):679-81.Ned Tijdschr Geneeskd. 1992.PMID: 1560854Dutch.No abstract available.
van Winkelhoff AJ, de Graaff J.van Winkelhoff AJ, et al. Among authors: de graaff j.J Clin Periodontol. 1991 Jul;18(6):406-10. doi: 10.1111/j.1600-051x.1991.tb02308.x.J Clin Periodontol. 1991.PMID: 1890220Review.
Goené RJ, Winkel EG, Abbas F, Rodenburg JP, van Winkelhoff AJ, de Graaff J.Goené RJ, et al. Among authors: de graaff j.J Periodontol. 1990 Jan;61(1):61-4. doi: 10.1902/jop.1990.61.1.61.J Periodontol. 1990.PMID: 2179514