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The expression of glutathione S-transferase (GST)-pi and four oncogene products, c-Jun, c-Fos, c-H-Ras, and c-Myc, in human squamous cell carcinomas of the head and neck was investigated(More)
We evaluated the usefulness and limitations in ultrasonography (US) for diagnosing neck lymph node metastases in patients with hypopharyngeal cancer by comparing the results of preoperative US(More)