Tan, S., Fraley, C. D., Zhang, M., Dailidiene, D., Kornberg, A., & Berg, D. E. (2005). Diverse Phenotypes Resulting from Polyphosphate Kinase Gene (ppk1) Inactivation in Different Strains of Helicobacter pylori. American Society for Microbiology.

Tan, Shumin, Cresson D. Fraley, Maojun Zhang, Daiva Dailidiene, Arthur Kornberg, and Douglas E. Berg. Diverse Phenotypes Resulting From Polyphosphate Kinase Gene (ppk1) Inactivation in Different Strains of Helicobacter Pylori. American Society for Microbiology, 2005.

Tan, Shumin, et al. Diverse Phenotypes Resulting From Polyphosphate Kinase Gene (ppk1) Inactivation in Different Strains of Helicobacter Pylori. American Society for Microbiology, 2005.