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Shuman SK, Loupe MJ, Davidson GB, Martens LV.Shuman SK, et al. Among authors: davidson gb.J Public Health Dent. 1994 Winter;54(1):31-8. doi: 10.1111/j.1752-7325.1994.tb01176.x.J Public Health Dent. 1994.PMID: 8164189