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Fluctuation of the microbiota of the tongue in humans.
van der Weijden GA, van der Velden U. van der Weijden GA, et al. Among authors: van der velden u. J Clin Periodontol. 1991 Jan;18(1):26-9. doi: 10.1111/j.1600-051x.1991.tb01115.x. J Clin Periodontol. 1991. PMID: 1828471
The onset age of periodontal destruction.
van der Velden U. van der Velden U. J Clin Periodontol. 1991 Jul;18(6):380-3. doi: 10.1111/j.1600-051x.1991.tb02304.x. J Clin Periodontol. 1991. PMID: 1890216 Review.
245 results