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, und 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.