TY - SER AU - Corazza,M.J. AU - Zanutto,C.A. AU - Zanineli-Ré,M.L. AU - Müller,G.W. AU - Nunes,M.de C. TI - Comparison of Citrus tristeza virus (CTV)isolates by RFLP analysis of the coat protein nucleotide sequences and by the severity of the symptoms KW - FRUTA CÍTRICA KW - DOENÇA DE PLANTA KW - TRISTEZA CÍTRICA KW - VÍRUS KW - SINTOMA ER -