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Bitterlin MW, Gonsalves D. Serological grouping of tomato ringspot virus isolates: Implications for diagnosis and cross-protection. Phytopathology 78: 278-285, 1988.

Schneider IR, et al. Two nucleic acid-containing components of tomato ringspot virus. Virology 57: 139-146, 1974. PubMed: 4818681