研究方法本研究为前瞻性研究，采用半随机对照法。
MethodsThe research is prospective study, semi-random control trial was conducted.
我们也排除了半随机对照研究和使用交叉设计的试验。
We also excluded quasi-randomised trials and trials using a cross-over design.
选择标准：比较对照和钙通道阻断剂围移植手术期给药的随机对照试验入选。半随机对照试验被排除。
SELECTION CRITERIA: Randomised controlled trials comparing calcium channel blockers given in the peri-transplant period with controls were included. Quasi-randomised trials were excluded.
随机或半随机对照试验，其中包括使用任何雌激素与含雌激素药物（或抗雌激素）针对骨盆腔器官脱垂的作用。
Randomised or quasi-randomised controlled trials that included the use of any oestrogens or drugs with oestrogenic (or anti-oestrogenic) actions for pelvic organ prolapse.
本篇文献回顾提供了许多分析非处方人工泪液间直接比较的随机与半随机对照之临床试验需要的统合分析观点。
This review provides a much needed meta-analytical look at all randomized and quasi-randomized clinical trials that have analyzed head-to-head comparisons of OTC artificial tears.
纳入的研究类型为随机对照试验和半随机对照实验，实验内容为羟甲基淀粉对比替代液体疗法预防和治疗有效血容量减少。
Randomised controlled trials (RCTs) and quasi-RCTs in which HES was compared to an alternate fluid therapy for the prevention or treatment of effective intravascular volume depletion.
纳入的研究类型为随机对照试验和半随机对照实验，实验内容为羟甲基淀粉对比替代液体疗法预防和治疗有效血容量减少。
Randomised controlled trials (RCTs) and quasi-RCTs in which HES was compared to an alternate fluid therapy for the prevention or treatment of effective intravascular volume depletion.
应用推荐