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Van Winkelhoff AJ, Laine ML, Timmerman MF, Van der Weijden GA, Abbas F, Winkel EG, Arief EM, Van der Velden U.Van Winkelhoff AJ, et al. Among authors: laine ml.J Clin Periodontol. 1999 May;26(5):301-5. doi: 10.1034/j.1600-051x.1999.260507.x.J Clin Periodontol. 1999.PMID: 10355621
Dierickx K, Pauwels M, Laine ML, Van Eldere J, Cassiman JJ, van Winkelhoff AJ, van Steenberghe D, Quirynen M.Dierickx K, et al. Among authors: laine ml.J Periodontol. 2003 Jun;74(6):844-8. doi: 10.1902/jop.2003.74.6.844.J Periodontol. 2003.PMID: 12886995