The gold standard of scientific evidence is the randomised controlled trial, preferably one with a lot of people and held over a long time.
国际上科学证据的标准是由随机对照实验得出的结果，尤其是那些有很多人参与又经过很长时间的实验。
To determine the randomised controlled trial (RCT) evidence for the benefit of corticosteroids (oral or inhaled) in the treatment of pulmonary sarcoidosis.
要确定随机对照试验（RCT）对皮质类固醇（口服或吸入）治疗肺部类肉瘤病效益的证据。
To determine the randomised controlled trial (RCT) evidence for the benefit of corticosteroids (oral or inhaled) in the treatment of pulmonary sarcoidosis.
要确定随机对照试验（RCT）对皮质类固醇（口服或吸入）治疗肺部类肉瘤病效益的证据。
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