J. Deutsch

Black and gold howler monkeys (Alouatta caraya) as sentinels of ecosystem health: patterns of zoonotic protozoa infection relative to degree of human–primate contact

M. Kowalewski, J. Salzer, M. Kuhlenschmidt, 2011, American journal of primatology.

A Legacy of Low-Impact Logging does not Elevate Prevalence of Potentially Pathogenic Protozoa in Free-Ranging Gorillas and Chimpanzees in the Republic of Congo: Logging and Parasitism in African Apes

C. Sanz, D. Morgan, J. Salzer, 2009, EcoHealth.