Griffen, A. L., Lyons, S. R., Becker, M. R., Moeschberger, M. L., & Leys, E. J. (1999). Porphyromonas gingivalis Strain Variability and Periodontitis. Journal of Clinical Microbiology, 37(12), 4028-4033. https://doi.org/10.1128/JCM.37.12.4028-4033.1999
Chicago Style (17th ed.) CitationGriffen, Ann L., Sharon R. Lyons, Mitzi R. Becker, Melvin L. Moeschberger, and Eugene J. Leys. "Porphyromonas Gingivalis Strain Variability and Periodontitis." Journal of Clinical Microbiology 37, no. 12 (1999): 4028-4033. https://doi.org/10.1128/JCM.37.12.4028-4033.1999.
MLA (9th ed.) CitationGriffen, Ann L., et al. "Porphyromonas Gingivalis Strain Variability and Periodontitis." Journal of Clinical Microbiology, vol. 37, no. 12, 1999, pp. 4028-4033, https://doi.org/10.1128/JCM.37.12.4028-4033.1999.