. (2003). -. (e11899). Journal of Veterinary Research, 57(4), e11899
. "-" .e11899 , Journal of Veterinary Research, 57, 4, 2003, e11899.
. (2003). '-', Journal of Veterinary Research, 57(4), e11899.
, "-," Journal of Veterinary Research, 57 4 (2003): e11899,
. -. Journal of Veterinary Research. 2003;57(4):e11899 (In Persian).
