CLINICAL DISEASE ASSOCIATED WITH ANAPLASMA PHAGOCYTOPHILUM INFECTION IN CAPTIVE PRZEWALSKI'S HORSES (EQUUS FERUS PRZEWALSKII). - Sim RR; Joyner PH; Padilla LR; Anikis P; Aitken-Palmer C (Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians, 2017)