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1975年我们曾采用广州市医药工业研究所自菜豆提取的植物血凝素(Phytohemagglutinin;PHA)作为非特异性有丝分裂促进因子,证明鼻咽癌病人外周血淋巴细胞转化率远较正常人为低,提示鼻咽癌病人的细胞免疫功能有所降低。鉴于采用单一的试验来
In 1975, we used Phytohemagglutinin (PHA) extracted from kidney beans of Guangzhou Institute of Pharmaceutical Industry as a nonspecific mitosis promoting factor to prove that peripheral blood lymphocyte transformation rate of patients with nasopharyngeal carcinoma is much lower than that of normal people, suggesting that nasal mucosa Pharyngeal cancer patients have reduced cellular immune function. In view of the use of a single test