TY - SER AU - Corazza-Nunes,M.J. AU - Machado,M.A. AU - Stach-Machado,D.R. AU - Nunes,W.M.C. AU - Carvalho,S.A.de AU - Muller,G.W. TI - Characterization of Citrus tristeza virus isolates from grapefruit (Citrus paradisi Macf.)accessions of Citrus Active Germoplasm Bank KW - ELISA KW - ANTICORPO MONOCLONAL KW - CITRUS PARADISI KW - POMELO KW - GRAPEFRUIT KW - VÍRUS ER -