最终只有通过临床对照试验才能够知道这里所报道的机械性质与临床结果之间的关系。
Ultimately, only a controlled clinical trial can determine whether the mechanical properties reported here correlate with clinical success.
通过与自体髂骨植骨融合组对照，评估颈椎可吸收椎间融合器的临床效果。
To evaluate the clinical effect of CADFC, compared with the cases in the CG treated by bone graft and interbody fusion with autogenous iliac crest.
然而，极具讽刺的是，通过使用无烟烟草戒烟与使用安慰对照组相比，临床对照控制组没有进行随机的双盲试验。
Most devastatingly, however, there are no randomized, double-blinded placebo controlled clinical trials that compare the success of quitting smoking by using smokeless tobacco versus using a placebo.
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