方法对着色性干皮病患者成纤维细胞进行传代培养、建株，采用放射自显影和细胞融合技术分析X P 细胞互补组。

Methods From four XP patients, skin fibroblast cell strains were derived and used for the complementation group analysis by autoradiography and cell fusion technique.

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方法1。将15 5例患者7病日以内的尿细胞融合程度按有关公式换算为融合指数并与其血清中肌酐、尿素氮水平进行相关性分析；

Methods In 155 cases of HFRS, the fusion index (FI) of the fusion cells in the urine were calculated during the early stage of the disease (<7 days).

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