Marsh, P. D., Williamson, M. I., Keevil, C. W., McDermid, A. S., & Ellwood, D. C. (1982). Influence of Sodium and Potassium Ions on Acid Production by Washed Cells of Streptococcus mutans Ingbritt and Streptococcus sanguis NCTC 7865 Grown in a Chemostat. American Society for Microbiology (ASM).

Marsh, Philip D., Michael I. Williamson, C. William Keevil, Ann S. McDermid, and Derek C. Ellwood. Influence of Sodium and Potassium Ions On Acid Production By Washed Cells of Streptococcus Mutans Ingbritt and Streptococcus Sanguis NCTC 7865 Grown in a Chemostat. American Society for Microbiology (ASM), 1982.

Marsh, Philip D., et al. Influence of Sodium and Potassium Ions On Acid Production By Washed Cells of Streptococcus Mutans Ingbritt and Streptococcus Sanguis NCTC 7865 Grown in a Chemostat. American Society for Microbiology (ASM), 1982.