Methods: 2060 cases of primary hepatic cancer were clinically researched by a large sample number clinical epidemiological survey program.

方法：采用大样本临床流行病学调研方案，临床调查原发性肝癌2060例。

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Methods: 2060 cases of primary hepatic cancer were clinically researched by a large sample number clinical epidemiological survey program.

方法：采用大样本临床流行病学调研方案，临床调查原发性肝癌2060例。

youdao