机构:
Virginia Polytech Inst & State Univ, Virginia Maryland Reg Coll Vet Med, Dept Biomed Sci & Pathobiol, Blacksburg, VA 24061 USAVirginia Polytech Inst & State Univ, Virginia Maryland Reg Coll Vet Med, Dept Biomed Sci & Pathobiol, Blacksburg, VA 24061 USA