Source: Retrospective Sampling Survey on Malignant Tumor in China from 2004 to 2005.

资料来源：2004 - 2005年中国恶性肿瘤死亡抽样回顾调查。

youdao

Method: By stratified cluster sampling, a retrospective epidemiological survey was conducted on 145 patients who had used Nabumetone in the treatment.

方法：经过分层整群抽样，对145例服用萘丁荚酮的患者进行了回顾性流行病学调查。

youdao