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. 2006 Nov;55(11):1598–1605. doi: 10.1136/gut.2005.083063

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Figure 1 Representative sequencing of pancreatic cancer tissues to validate polymerase chain reaction results. (A) Pancreatic cancer primary tumour with mutant K‐ras sequence (GGT→GAT). (B) Pancreatic cancer surgical resection margin specimen with mutant K‐ras sequence (GGT→GTT).