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Paraskevas S, Rosema NA, Versteeg P, Van der Velden U, Van der Weijden GA.Paraskevas S, et al. Among authors: versteeg p.J Periodontol. 2008 Aug;79(8):1395-400. doi: 10.1902/jop.2008.070630.J Periodontol. 2008.PMID: 18672988Clinical Trial.
Rosema NA, Timmerman MF, Versteeg PA, van Palenstein Helderman WH, Van der Velden U, Van der Weijden GA.Rosema NA, et al.J Periodontol. 2008 Aug;79(8):1386-94. doi: 10.1902/jop.2008.070654.J Periodontol. 2008.PMID: 18672987Free article.Clinical Trial.
Slot DE, Timmerman MF, Versteeg PA, van der Velden U, van der Weijden FA.Slot DE, et al. Among authors: versteeg pa.J Clin Periodontol. 2012 Dec;39(12):1159-65. doi: 10.1111/jcpe.12007. Epub 2012 Oct 21.J Clin Periodontol. 2012.PMID: 23082801Clinical Trial.
Paraskevas S, Rosema NA, Versteeg P, Timmerman MF, van der Velden U, van der Weijden GA.Paraskevas S, et al. Among authors: versteeg p.J Periodontol. 2007 Jun;78(6):1011-6. doi: 10.1902/jop.2007.060339.J Periodontol. 2007.PMID: 17539713Clinical Trial.
Van der Weijden GA, Timmerman MF, Versteeg PA, Piscaer M, Van der Velden U.Van der Weijden GA, et al. Among authors: versteeg pa.J Clin Periodontol. 2004 Aug;31(8):620-4. doi: 10.1111/j.1600-051x.2004.00529.x.J Clin Periodontol. 2004.PMID: 15257738Clinical Trial.
Versteeg PA, Timmerman MF, Piscaer M, Van der Velden U, Van der Weijden GA.Versteeg PA, et al.J Clin Periodontol. 2005 Feb;32(2):158-62. doi: 10.1111/j.1600-051X.2005.00652.x.J Clin Periodontol. 2005.PMID: 15691345Clinical Trial.
Paraskevas S, Versteeg PA, Timmerman MF, Van der Velden U, Van der Weijden GA.Paraskevas S, et al. Among authors: versteeg pa.J Clin Periodontol. 2005 Jul;32(7):757-64. doi: 10.1111/j.1600-051X.2005.00750.x.J Clin Periodontol. 2005.PMID: 15966883Clinical Trial.
Versteeg PA, Timmerman MF, Rosema NA, Warren PR, Van der Velden U, Van der Weijden GA.Versteeg PA, et al.J Clin Periodontol. 2005 Dec;32(12):1236-41. doi: 10.1111/j.1600-051X.2005.00851.x.J Clin Periodontol. 2005.PMID: 16269000Clinical Trial.
Stoeken JE, Versteeg PA, Rosema NA, Timmerman MF, van der Velden U, van der Weijden GA.Stoeken JE, et al. Among authors: versteeg pa.J Periodontol. 2007 May;78(5):899-904. doi: 10.1902/jop.2007.060089.J Periodontol. 2007.PMID: 17470024Clinical Trial.
Versteeg PA, Piscaer M, Rosema NA, Timmerman MF, Van der Velden U, Van der Weijden GA.Versteeg PA, et al.Int J Dent Hyg. 2008 Aug;6(3):174-82. doi: 10.1111/j.1601-5037.2008.00284.x.Int J Dent Hyg. 2008.PMID: 18768020Clinical Trial.