Ledder, R. G., Latimer, J., Humphreys, G. J., Sreenivasan, P. K., & McBain, A. J. (2014). Bacteriological Effects of Dentifrices with and without Active Ingredients of Natural Origin. American Society for Microbiology.

Ledder, Ruth G., Joe Latimer, Gavin J. Humphreys, Prem K. Sreenivasan, och Andrew J. McBain. Bacteriological Effects of Dentifrices With and Without Active Ingredients of Natural Origin. American Society for Microbiology, 2014.

Ledder, Ruth G., et al. Bacteriological Effects of Dentifrices With and Without Active Ingredients of Natural Origin. American Society for Microbiology, 2014.