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.
要评价SIA对慢性下肢动脉完全性闭塞患者的作用，尚需要更多随机对照临床试验提供的证据。
Evidence from more randomized controlled trials is needed to assess the role of SIA in people with chronic lower limb arterial total occlusions.
要评价SIA对慢性下肢动脉完全性闭塞患者的作用，尚需要更多随机对照临床试验提供的证据。
Evidence from more randomized controlled trials is needed to assess the role of SIA in people with chronic lower limb arterial total occlusions.
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