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Redmond CA, Blinkhorn FA, Kay EJ, Davies RM, Worthington HV, Blinkhorn AS.Redmond CA, et al. Among authors: davies rm.J Public Health Dent. 1999 Winter;59(1):12-7. doi: 10.1111/j.1752-7325.1999.tb03229.x.J Public Health Dent. 1999.PMID: 11396038Clinical Trial.