Campus, G., Cagetti, M.G., Cocco, F., Sale, S., Sacco, G., Strohmenger, L. and Lingstrm, P. (2011) Effect of a sugar-free chewing gum containing magnolia bark extract on different variables related to caries and gingivitis A randomized controlled intervention trial. Caries Research, 4, 393-399. doi10.1159/000330234 - References - Scientific Research Publishing