Methods: a randomized double-blind controlled clinical trial (RCT) was conducted.
方法：随机双肓对照临床试验(rct)。
This is the first randomized controlled trial (RCT) to test the effectiveness of any form of endoscopic screening to reduce mortality from colorectal cancer (CRC).
这是首项研究不同内镜检查对于减少结直肠癌(CRC)死亡率有效性的随机对照试验(rct)。
The study fields of EBM in China include EBM education, systematic review, and critical evaluation of randomized controlled trial (RCT), etc.
中国循证医学的研究领域包括循证医学教育、系统评价、随机对照临床试验文献质量评价等。
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