Systematic reviews of non-randomized studies are as common as reviews of randomized controlled trials.
非随机对照试验的系统评价与随机对照试验的系统评价一样是普遍开展的。
We included randomized controlled trials of yoga treatment in people with chronic non-specific low back pain.
我们纳入慢性非特异性腰背痛患者使用瑜伽疗法的随机对照试验。
We included randomized controlled trials of yoga treatment in people with chronic non-specific low back pain.
我们纳入慢性非特异性腰背痛患者使用瑜伽疗法的随机对照试验。
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