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Al Kawas S, Rahim ZH, Ferguson DB.Al Kawas S, et al. Among authors: ferguson db.Arch Oral Biol. 2012 Jan;57(1):1-9. doi: 10.1016/j.archoralbio.2011.06.013. Epub 2011 Jul 19.Arch Oral Biol. 2012.PMID: 21774913Free article.Review.