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The effect of sibling relationship on the periodontal condition.
van der Velden U, Abbas F, Armand S, de Graaff J, Timmerman MF, van der Weijden GA, van Winkelhoff AJ, Winkel EG. van der Velden U, et al. Among authors: van winkelhoff aj, van der weijden ga. J Clin Periodontol. 1993 Oct;20(9):683-90. doi: 10.1111/j.1600-051x.1993.tb00716.x. J Clin Periodontol. 1993. PMID: 8227458
Longitudinal evaluation of the development of periodontal destruction in spouses.
Van der Velden U, Van Winkelhoff AJ, Abbas F, Arief EM, Timmerman MF, Van der Weijden GA, Winkel EG. Van der Velden U, et al. Among authors: van winkelhoff aj, van der weijden ga. J Clin Periodontol. 1996 Nov;23(11):1014-9. doi: 10.1111/j.1600-051x.1996.tb00530.x. J Clin Periodontol. 1996. PMID: 8951630
beta-Lactamase producing bacteria in adult periodontitis.
van Winkelhoff AJ, Winkel EG, Barendregt D, Dellemijn-Kippuw N, Stijne A, van der Velden U. van Winkelhoff AJ, et al. Among authors: van der velden u. J Clin Periodontol. 1997 Aug;24(8):538-43. doi: 10.1111/j.1600-051x.1997.tb00226.x. J Clin Periodontol. 1997. PMID: 9266340
243 results