Figure 2 - Mean extrinsic stain formation with standard error bars at cycle 6 -study 2

From the following article

An in vitro evaluation of the availability of cetylpyridinium chloride and chlorhexidine in some commercially available mouthrinse products

S Sheen & M Addy

British Dental Journal 194, 207 - 210 (2003) Published online: 22 February 2003

doi:10.1038/sj.bdj.4809913

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