Percival, R. S., Marsh, P. D., Devine, D. A., Rangarajan, M., Aduse-Opoku, J., Shepherd, P., & Curtis, M. A. (1999). Effect of Temperature on Growth, Hemagglutination, and Protease Activity of Porphyromonas gingivalis. American Society for Microbiology.

Percival, Rimondia S., Philip D. Marsh, Deirdre A. Devine, Minnie Rangarajan, Joseph Aduse-Opoku, Philip Shepherd, och Michael A. Curtis. Effect of Temperature On Growth, Hemagglutination, and Protease Activity of Porphyromonas Gingivalis. American Society for Microbiology, 1999.

Percival, Rimondia S., et al. Effect of Temperature On Growth, Hemagglutination, and Protease Activity of Porphyromonas Gingivalis. American Society for Microbiology, 1999.