Walls, J. J., Aguero-Rosenfeld, M., Bakken, J. S., Goodman, J. L., Hossain, D., Johnson, R. C., & Dumler, J. S. (1999). Inter- and Intralaboratory Comparison of Ehrlichia equi and Human Granulocytic Ehrlichiosis (HGE) Agent Strains for Serodiagnosis of HGE by the Immunofluorescent-Antibody Test. American Society for Microbiology.

Walls, Jennifer J., Maria Aguero-Rosenfeld, Johan S. Bakken, Jesse L. Goodman, Deloar Hossain, Russell C. Johnson, και J. Stephen Dumler. Inter- and Intralaboratory Comparison of Ehrlichia Equi and Human Granulocytic Ehrlichiosis (HGE) Agent Strains for Serodiagnosis of HGE By the Immunofluorescent-Antibody Test. American Society for Microbiology, 1999.

Walls, Jennifer J., et al. Inter- and Intralaboratory Comparison of Ehrlichia Equi and Human Granulocytic Ehrlichiosis (HGE) Agent Strains for Serodiagnosis of HGE By the Immunofluorescent-Antibody Test. American Society for Microbiology, 1999.