首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   7584篇
  免费   770篇
  国内免费   41篇
耳鼻咽喉   43篇
儿科学   34篇
妇产科学   45篇
基础医学   287篇
口腔科学   159篇
临床医学   1005篇
内科学   226篇
皮肤病学   32篇
神经病学   137篇
特种医学   91篇
外科学   514篇
综合类   3821篇
一般理论   2篇
预防医学   855篇
眼科学   13篇
药学   701篇
  33篇
中国医学   329篇
肿瘤学   68篇
  2024年   13篇
  2023年   154篇
  2022年   239篇
  2021年   242篇
  2020年   260篇
  2019年   169篇
  2018年   176篇
  2017年   195篇
  2016年   156篇
  2015年   223篇
  2014年   670篇
  2013年   554篇
  2012年   687篇
  2011年   835篇
  2010年   680篇
  2009年   585篇
  2008年   547篇
  2007年   541篇
  2006年   449篇
  2005年   247篇
  2004年   97篇
  2003年   76篇
  2002年   45篇
  2001年   47篇
  2000年   39篇
  1999年   18篇
  1998年   17篇
  1997年   12篇
  1996年   17篇
  1995年   13篇
  1994年   12篇
  1993年   11篇
  1992年   7篇
  1990年   7篇
  1989年   5篇
  1988年   6篇
  1987年   7篇
  1986年   21篇
  1985年   20篇
  1984年   41篇
  1983年   31篇
  1982年   41篇
  1981年   43篇
  1980年   24篇
  1979年   25篇
  1978年   18篇
  1977年   15篇
  1976年   28篇
  1975年   15篇
  1974年   10篇
排序方式: 共有8395条查询结果,搜索用时 17 毫秒
1.
The COVID-19 outbreak has rapidly progressed into a worldwide pandemic, and the need for social distancing has changed the way we learn and work. Our monthly OMFS journal club has been no different, and is currently meeting on the video conferencing application Microsoft Teams. The use of a virtual setting for training in medicine and dentistry is not new and, as in the case of our recent move to a virtual medium, it may be that COVID-19 has fast-tracked this digital transformation. There are of course disadvantages to online teaching that traditional face-to-face teaching overcomes. We conducted a survey to examine how trainees' attitudes and experiences have altered with this change, and to understand whether some elements of this new style of training may be advantageous in the post-pandemic world. We aimed to assess trainees’ attitudes towards online teaching, and which elements, if any, would be beneficial once face-to-face teaching becomes possible again. A survey was created for all trainees taking part in journal club meetings at Bradford Teaching Hospitals. Multiple-choice and Likert scale questions were designed to ascertain the differences in experience between online and face-to-face settings. A Wilcoxon matched pairs signed test was used to analyse the results. Responses were kept anonymous. Results showed that the majority of trainees found it easier to attend the online journal club, and also indicated that the most found Microsoft Teams easy to use, though we did not have another online application for comparison. There was no significant difference in participation comfort between the two settings, though trainees felt that the online setting considerably improved learning effectiveness. Furthermore, 79% (11/14) thought that online tutorials and meetings should replace traditional face-to-face meetings in the future. The use of internet technology such as video conferencing is not new, and although journal clubs are typically held in academic institutions, online and virtual clubs are flourishing. With an array of advantages, there is no shying away from the trend to move our teaching to a virtual medium. COVID-19 may have just provided the stimulus that has forced this transformation to accelerate.  相似文献   
2.
3.
AimTo examine the effectiveness of a Humanoid Diagram Teaching Strategy (HDTS) on care capabilities and retention of novice nurses.BackgroundGuiding novice nurses in clinical practice is a matter of concern and the use of diagrams in assisting the learning process and to promote learning efficiency has been acknowledged.DesignThis is a quasi-experimental study with asynchronous repeated measurements for the experimental and control groups.MethodsThe study was conducted in a medical centre in southern Taiwan with 24 novice nurses. The intervention, Humanoid Diagrams Teaching Strategy, contained three parts: the head and neck; trunk; and limbs. The HDTS was applied three time weekly. Each session lasted approximately 30 min and the training lasted 4 weeks. The effectiveness of HDTS was measured using Mini-CEX, CbD and retention rates in the 3rd and 6th months of novice nurses’ experience.ResultsAfter the HDTS, although increases in mini-CEX and CbD scores in the experimental group were greater than the control group, these differences were not statistically significant after considering the time interaction. But the 3rd month and 6th month novice nurses’ retention rates were statistically significantly different by comparing the differences under the time interaction effects in both groups.ConclusionsThe Humanoid Diagram Teaching Strategy is an effective tool for preceptors to use in assisting novice nurses in learning, improving their nursing care knowledge and technical skills and to increase their retention rate.  相似文献   
4.
5.
目的探讨腹腔镜模拟培训在微创外科专业学位研究生临床教学中的应用效果。 方法采用腹腔镜模拟训练结合临床教学模式对我科24名微创外科专业学位研究生进行临床教学,教学结束时考核教学效果,调查教学满意度,比较考核前后的成绩。 结果培训后学生出科平均成绩、合格率、优秀率、主观对自己基本操作熟练程度评分、满意度评分等均高于培训前,且差异有统计学意义(P<0.001)。 结论微创外科研究生临床教学理论与腹腔镜模拟培训相结合,可有效提高微创外科研究生对腹腔镜基本操作及视觉能力,提高腹腔镜操作者的基本技能,取得良好的教学效果,但考核标准仍需要完善。  相似文献   
6.
7.
8.
9.
《中国现代医生》2020,58(16):148-151
本文针对眼科常见病临床表现多样、学科专业性强、多种全身性疾病有眼部表现的问题,通过充分调动全科规培医师的学习积极性,运用多种教学方法,在教学大纲规定的学习时间内,培训眼科临床上常规的基础检查和基本操作技能,弥补大学阶段“眼科学是考查课”的思想误区,降低全科医师在基层临床工作中漏诊、误诊情况的发生。经过3年的全科住院医师规范化培训,特别是通过眼科学的轮转学习,在眼科常见疾病方面完美的由理论学习向临床实践过度,培养出合格的面向基层的全科医师。在全面推进分级诊疗的医改行动中,在基层的全科医师能够做到眼科疾病早发现、早诊断,把需要转诊到上级医院的患者“转上去”,把经过上级医院诊治后处于康复阶段的患者“转回来”,保障首诊于基层医院的常见眼病患者可以得到及时的诊治。因此,通过应用多种教学方法,从而加强全科规培医师眼科轮转学习非常重要。  相似文献   
10.
ObjectiveOff-clamp laparoscopic partial nephrectomy in a hybrid operating room after superselective arterial embolization (hLPN) is a promising minimally invasive approach. In this study, we compared the perioperative surgical outcomes of this innovative technique with the conventional standard of care laparoscopic partial nephrectomy (cLPN) technique.Patients and methodsOverall, 86 and 127 patients treated with hLPN and cLPN, respectively, were included. These two techniques were compared in terms of surgical complications, estimated blood loss (EBL), operative time, length of stay (LOS), surgical margins, and Trifecta achievement rate (defined as warm ischemia duration < 25 min, negative surgical margins and absence of complications). A propensity score based on age, gender, BMI, preoperative eGFR and tumor size was used for a 1:1 matching of patients of each group. After matching, two groups of 67 patients with similar characteristics were obtained.ResultsConversion rate to open surgery, complications and EBL were similar in both groups. Conversely, operative time, LOS and Trifecta rates favored hLPN. The multivariate analysis showed that hLPN had a 70% higher chance of Trifecta achievement than cLPN in all age groups and for all tumor size across the study population.ConclusionCompared to a conventional approach, off-clamp laparoscopic partial nephrectomy in a hybrid room after superselective arterial embolization showed satisfying immediate surgical outcomes and reached a higher rate of Trifecta achievement. Mid and long-term functional and oncological results are needed to establish this minimally invasive surgical alternative.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号