过去的24个病例数据表明酮类在此方面的疗效，并且更重要的是，两个随机的有对照的研究在2008年发表。
There are about two dozen backward-looking analyses of patient data suggesting keto works, and, more significant, two randomized, controlled studies published in 2008.
益生菌治疗IBD取得了一定疗效，但临床治疗评价尚需大宗病例的随机对照长期观察研究。
Probiotics treatment IBD obtained the certain curative effect, but the clinical treatment evaluation still need to large cases of randomized controlled long-term observation research.
纳入标准：经典文献、经严格科学设计的基础实验研究、前瞻性随机性临床研究及病例对照研究。
Inclusion criteria: Typical literatures, basic experimental research that restrictedly and scientifically designed, prospective randomized clinical research as well as case control study.
这一结论不只是基于一些世代研究或病例对照研究，而是基于无数随机对照试验。
This isn't a conclusion based simply on some cohort or case-control studies. There are many, many randomized controlled trials.
现有的研究包括29个队列研究，69个病例对照研究以及4个随机临床试验。
Of the available studies, 29 were cohort studies, 69 case-control studies, and 4 randomized clinical trials.
方法：采用病例随机对照的研究方法。
方法：采用病例随机对照的研究方法。
应用推荐