Methods An improved silver nitrate TRAP method was used for the detection of telomerase activity in tissues from gastricbiopsy.
方法对纤维内窥镜下活检的胃组织采用对TRAP方法加以改进的银染TRAP法，检测了端粒酶活性。
2
Methods Special histochemical staining was used to detect HP in 166 biopsy specimens of duodenum and gastric antrum and for morphological observation.
方法：应用特殊染色方法对166例胃窦及十二指肠活检标本进行了形态学观察及HP检测。
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Methods DNA content of gastroscope biopsy sample from 114 patients with gastric carcinoma and gastritis was detected by flow cytometry and compared with pathological results.