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De Groot R, Peters MC, De Haan YM, Dop GJ, Plasschaert AJ.De Groot R, et al. Among authors: peters mc.J Dent Res. 1987 Dec;66(12):1748-52. doi: 10.1177/00220345870660121001.J Dent Res. 1987.PMID: 3479474
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