List of Articles زیرگروه J ویروس لکوز پرندگان Open Access Article Abstract Page Full-Text 1 - Investigating the molecular characteristics and pathogenicity of a new strain of the subgroup J of the leukemia virus with the occurrence of polyostotic osteosarcoma in MacQueen's bustard (Chlamydotis McQueen) P Mohammadzadeh sajad mohammadi erfan eftekhar kimia azimi