TY - JOUR AU - Hassanpour, علی AU - Aghapour, امیر AU - Reazei Saber, A.P TI - The effect of selenium supplement on the sera concentrations of selenium and GHS in the calves of heifers JO - Veterinary Clinical Pathology The Quarterly Scientific Journal VL - 5 IS - 1 SP - 1123 EP - 1132 PY - 2011 DO - ER -