W. M. Geisler, Suchland, R. J., Rockey, D. D., and Stamm, W. E.,
“Epidemiology and clinical manifestations of unique Chlamydia trachomatis isolates that occupy nonfusogenic inclusions.”,
The Journal of infectious diseases, vol. 184, no. 7, pp. 879-84, 2001.
J. P. Dubey, Rickard, L. G., Zimmerman, G. L., and Mulrooney, D. M.,
“Seroprevalence of Toxoplasma gondii in llamas (Lama glama) in the northwest USA.”,
Veterinary parasitology, vol. 44, no. 3-4, pp. 295-8, 1992.
T. V. Baszler, Dubey, J. P., Löhr, C. V., and Foreyt, W. J.,
“Toxoplasmic encephalitis in a free-ranging Rocky Mountain bighorn sheep from Washington.”,
Journal of wildlife diseases, vol. 36, no. 4, pp. 752-4, 2000.