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Our objective was to examine the utility of endoscopic biopsy specimens in judging the status of epidermal growth factor receptor (EGFR) and c-erbB-2 genes and proteins in the entire tumor.

japanese journal of clinical oncology

Usefulness and Limitation of Multiple Endoscopic Biopsy Sampling for Epidermal Growth Factor Receptor and c-erbB-2 Testing in Patients with Gastric Adenocarcinoma