Infection rate of Ehrlichia risticii, the agent of Potomac horse fever, in freshwater stream snails ( Juga yrekaensis) from northern California

Autor: Pusterla, Nicola *, Johnson, Eileen, Chae, Joon-seok, Pusterla, Jeannine Berger, DeRock, Elfriede, Madigan, John E
Zdroj: In Veterinary Parasitology 2000 92(2):151-156
Databáze: ScienceDirect