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Baumgartner, Stefan; Imfeld, Thomas; Schicht, Olivier; Rath, Christian; Persson, Rigmor E; Persson, G Rutger (2009). The impact of the stone age diet on gingival conditions in the absence of oral hygiene. Journal of periodontology, 80(5), pp. 759-68. Chicago, Ill.: American Academy of Periodontology 10.1902/jop.2009.080376
