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RV 5′ NCR subregion sequences of NASBA-negative specimens. Superscript letters: a, group A RV; b, RV (MW > 380 bp). P1 and P2 are 5′ NCR subregions chosen for amplification by the NASBA primers. Biotin probe and ECL-probe sequences are 5′ NCR subregions chosen for amplicon hybridization with the NASBA ECL probes.
