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Mutations of the EGFR gene and the expression of ERCC1 and RRM1 mRNA. (A) Positive control, positive sample and negative control of the EGFR gene. (B) Positive control, negative sample and negative control of the EGFR gene. (C) Expression of ERCC1 and RRM1 mRNA. EGFR, epidermal growth factor receptor; ERCC1, excision repair cross-complementing protein 1; RRM1, ribonucleotide reductase subunit M1.
