您要查找的是不是：
- Study Design: Cohort study (prevalence); Level of evidence, 2. 研究设计:队列研究(患病的);证据水平:2级.
- Study Design: Randomized controlled trial; Level of evidence, 1. 研究设计：随机对照试验；证据水平，1。
- Study Design: Cohort study (prognosis); Level of evidence, 2. 研究设计：队列研究（预后）；证据等级：2级。
- Level of Evidence: Prognostic Level II. See Instructions to Authors for a complete description of levels of evidence. 证据等级：预后II级。见作者须知中有关证据等级的具体说明。
- Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence. 证据等级：治疗性IV。对证据级别的具体描述参见作者的相关指导。
- Lack of evidence resulted in their acquittal. 因证据不足而宣判他们无罪。
- Level of Evidence: Therapeutic Level I. See Instructions to Authors for a complete description of levels of evidence. 证据水平:治疗性等级I级。参见作者对证据水平的详细描述说明。
- In nonpregnant, premenopausal women, screening for and treatment of asymptomatic bacteriuria is not recommended (level of evidence, A). 在非孕、绝经前的筛选为无症状菌尿的妇女不建议使用本指南(证据级别，A)。
- He examined each piece of evidence in isolation. 他分别审查每一证据。
- He couldn't produce a scrap of evidence against it. 对於那件事他一点也提不出证据。
- An unusually high level of iridium appears at this time in the geologic record and is typically the biggest piece of evidence used in support of this theory. 在这一时期的地质记录当中，铱的高含量是用来证明这一理论的最有力的证据之一。
- The judge dismissed the case for lack of evidence. 法官因缺乏证据而拒不受理这宗案件。
- Because of evidence that flavonoids may fight age-related diseases, the study said, researchers have been trying to develop crops with higher levels of them. 因为有迹象表明,类黄酮可防治老年性疾病的研究说,研究者一直试图开发农作物具有较高水平。
- Objective To understand that students know the level of evidence based medicine(EBM) and summarize experience of EBM education. 目的了解学员循证医学的知晓度和信息需求,总结循证医学教育的经验。
- "The highest level of evidence does not support an adverse relationship between pacifier use and breastfeeding duration or exclusivity," the study authors write. 研究作者写道，最高等级的证据并未支持使用安抚奶最对于母乳哺喂期间或专一性有不良影响。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- These studies are needed to provide a sufficient level of evidence of survival advantage or other clinical benefi t for any treatment to change clinical practice. 这些研究需要提供生存优势的足够水平的证据，或者用于改变临床实践的任何治疗的临床受益。
- There was not an atom of evidence to convince him. 没有一点能使他信服的证据。
- The level of inflation has gone beyond 8%. 通货膨胀率已经超过了8%。
- The accused got off/escaped scot-free because of lack of evidence. 由於证据不足，被告未受惩罚。
