. (2003). -. (e11890). Journal of Veterinary Research, 57(4), e11890
. "-" .e11890 , Journal of Veterinary Research, 57, 4, 2003, e11890.
. (2003). '-', Journal of Veterinary Research, 57(4), e11890.
, "-," Journal of Veterinary Research, 57 4 (2003): e11890,
. -. Journal of Veterinary Research. 2003;57(4):e11890 (In Persian).
