Comparison of the novel quantitative ARMS assay and an enriched PCR–ASO assay for K-ras mutations with conventional cytology on endobiliary brush cytology from 312 consecutive extrahepatic biliary stenoses
Comparison of the novel quantitative ARMS assay and an enriched PCR–ASO assay for K-ras mutations with conventional cytology on endobiliary brush cytology from 312 consecutive extrahepatic biliary stenoses
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