These guidelines are based on retrospective studies;
这些指引是根据回溯性研究结果；
However, there were only indirect retrospective studies.
然而，这仅仅是回顾性研究的间接结果。
Evidence from retrospective studies has shown prolonged survival after surgery for such patients.
来自回溯性研究的证据指出，对病人实施手术切除具有较长的存活率。
Method approach to retrospective studies, the experimental group compared with the control group.
方法：采取回顾性研究的方法，试验组与对照组相比较。
But retrospective studies have shown that many of those children did not, in fact, have the disease.
但回顾性分析表明这些儿童事实上并没有患病。
Methods Retrospective studies were conducted in 83 diabetes cases who suffered urinary tract infection.
方法回顾性分析83例糖尿病合并尿路感染临床资料。
Methods Retrospective studies the clinical data in 10 cases that were diagnosed of chronic mercury intoxication.
方法回顾性分析10例以神经系统损害为主要临床表现的慢性汞中毒的临床资料。
Objective To make the retrospective studies on the result of cataract extraction after using silicone oil filling.
目的对硅油填充术后白内障手术结果进行回顾性总结。
He also questions whether HIV arrived in 1966, pointing to retrospective studies in Haiti that did not find an AIDS case until 1978.
根据直到1978年海地才发现第一例艾滋病的回顾性的研究他也对艾滋病是否在1966年发生在海地有所怀疑。
RESULTS: There were 16 well-documented clinical reports of SGML, including 5 retrospective studies and 11 case reports, with 105 patients in total.
结果：收集临床资料完整的文献16篇，包括成组病例分析5篇，个案报道11篇，共计105例。
Clinical research: this part is a Retrospective Studies on the gastric cancer patients admitted in DongZhiMen hospital from Feb. 2005 to Feb. 2010.
本研究就东直门医院2005年2月起至2010年2月收治的中晚期胃癌病人的病历进行了回顾性分析。
The study noted that 21 out of 23 retrospective studies have shown an increased risk of breast cancer in women who took oral contraceptives prior to pregnancy.
此研究特别提及23项回顾性研究中的21项已显示孕前使用口服避孕药的女性患乳腺癌的风险增加。
METHODS All data of patients who suffered from hospital acquired infection in ICU from 2001 to 2003 were analyzed by prospective monitoring and retrospective studies.
方法对2001 ~ 2003年入住icu，发生医院感染患者的临床资料，采取前瞻性监测与回顾性调查相结合的方法进行整理分析。
Methods Retrospective studies were made on 41 cases of lumbar degenerative spondylolisthesis (35 cases with anterior displacement, 6 with posterior displacement ) to explore their CT findings.
方法回顾性分析41例腰椎退变性滑脱症（前滑脱35例，后滑脱6例）的CT表现。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
检索到与临床功效和安全性相关的两个随机对照试验(rct)、一个前后对照研究、两个回顾性报告，以及18个药物动力学研究。
Two retrospective cohort studies among employees of international organizations and Dutch commercial pilots to investigate the actual risk of VTE related to air travel; and.
在国际组织雇员和荷兰商业飞行员中的两项回顾性队列研究，以调查与航空旅行有关的静脉血栓栓塞的实际风险；以及。
Most studies on the operative treatment of cervical spondylotic myelopathy have been retrospective in nature.
目前的关于脊髓型颈椎病手术治疗的研究大多数都是回顾性的。
Methods Retrospective review of the clinical data of 240 cases of DVT of lower extremities was done with follow-up studies.
方法：回顾性分析240例下肢深静脉血栓形成的患者资料，并对部分患者进行随访。
Prospective or retrospective comparative studies of technical editing processes applied to original research articles in biomedical journals, as well as studies of reference accuracy.
前瞻或回溯性比较研究﹐并探讨技术编辑过程应用在生物医学杂志的原创性研究报告，与引用文献的正确性。
In addition, several retrospective and outcome studies suggest a well-defined risk of neoplasia in patients with esophageal columnar metaplasia, but without goblet cells.
此外，几项回顾性研究表明食管柱状上皮肠化生能很好的界定腺癌的发病风险，而杯状细胞不能。
However, the retrospective nature of diary studies might not work for all participants.
然而，回顾日记可能并不是对于所有的参与者都可行。
Level III are retrospective comparative studies or case-controlled studies.
II I级研究是回顾性的比较研究或者病例对照研究。
This paper presents a retrospective analysis of 40 patients with intracranial meningioma diagnostically confirmed by ct scan, operation and pathological studies.
本文对40例经CT扫描、手术及病理证实的颅内脑膜瘤与脑水肿的关系作了回顾性分析。
All of the studies identified were retrospective observational studies and of poor quality.
所有找到的研究都是回顾性的观察研究，且品质不良。
The results confirm what has been long suspected: "People have known from retrospective trials and correlative studies that antioxidants in fruits and vegetables, etc, reduce stroke risk, " said Dr.
研究结果证实了人们长期以来的猜想“人们从回顾性的研究和相关性研究中了解到水果和蔬菜等中含有的抗氧化剂能降低卒中风险”， Dr。
The results confirm what has been long suspected: "People have known from retrospective trials and correlative studies that antioxidants in fruits and vegetables, etc, reduce stroke risk, " said Dr.
研究结果证实了人们长期以来的猜想“人们从回顾性的研究和相关性研究中了解到水果和蔬菜等中含有的抗氧化剂能降低卒中风险”， Dr。
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