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   39378篇
  免费   3194篇
  国内免费   101篇
耳鼻咽喉   445篇
儿科学   1003篇
妇产科学   510篇
基础医学   5300篇
口腔科学   771篇
临床医学   3855篇
内科学   8093篇
皮肤病学   596篇
神经病学   4344篇
特种医学   1522篇
外国民族医学   3篇
外科学   5826篇
综合类   886篇
一般理论   73篇
预防医学   3871篇
眼科学   721篇
药学   2374篇
  1篇
中国医学   28篇
肿瘤学   2451篇
  2022年   177篇
  2021年   553篇
  2020年   314篇
  2019年   557篇
  2018年   680篇
  2017年   526篇
  2016年   567篇
  2015年   658篇
  2014年   966篇
  2013年   1574篇
  2012年   2352篇
  2011年   2511篇
  2010年   1354篇
  2009年   1285篇
  2008年   2396篇
  2007年   2484篇
  2006年   2489篇
  2005年   2666篇
  2004年   2374篇
  2003年   2159篇
  2002年   2212篇
  2001年   614篇
  2000年   545篇
  1999年   579篇
  1998年   518篇
  1997年   488篇
  1996年   432篇
  1995年   418篇
  1994年   340篇
  1993年   345篇
  1992年   434篇
  1991年   442篇
  1990年   435篇
  1989年   388篇
  1988年   354篇
  1987年   370篇
  1986年   337篇
  1985年   354篇
  1984年   356篇
  1983年   334篇
  1982年   363篇
  1981年   356篇
  1980年   300篇
  1979年   213篇
  1978年   235篇
  1977年   157篇
  1976年   182篇
  1975年   138篇
  1974年   183篇
  1973年   138篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
European Journal of Orthopaedic Surgery & Traumatology - The goals of this study were to compare patient satisfaction and wound-related complications in patients receiving 2-octyl cyanoacrylate...  相似文献   
2.
3.
Purpose of the study: the aim of this study was to synthesize PFC fNIRS outcomes on the effects of cognitive tasks compared to resting/baseline tasks in healthy adults from studies utilizing a pre/post design.

Material and methods: original research studies were searched from seven databases (MEDLINE, EMBASE, CENTRAL, CINAHL, SCOPUS, PEDro and PubMed). Subsequently, two independent reviewers screened the titles and abstracts followed by full-text reviews to assess the studies' eligibility.

Results: eleven studies met the inclusion criteria and had data abstracted and quality assessed. Methodology varied considerably and yet cognitive tasks resulted in the ΔO2Hb increasing in 8 of the 11 and ΔHHb decreasing in 8 of 8 studies that reported this outcome. The cognitive tasks from 10 of the 11 studies were classified as “Working Memory” and “Verbal Fluency Tasks”.

Conclusions: although, the data comparison was challenging provided the heterogeneity in methodology, the results across studies were similar.  相似文献   

4.
5.
Background  Limited research exists on patient knowledge/cognition or “getting inside patients'' heads.” Because patients possess unique and privileged knowledge, clinicians need this information to make patient-centered and coordinated treatment planning decisions. To achieve patient-centered care, we characterize patient knowledge and contributions to the clinical information space. Methods and Objectives  In a theoretical overview, we explore the relevance of patient knowledge to care provision, apply historical perspectives of knowledge acquisition to patient knowledge, propose a representation of patient knowledge types across the continuum of care, and include illustrative vignettes about Mr. Jones. We highlight how the field of human factors (a core competency of health informatics) provides a perspective and methods for eliciting and characterizing patient knowledge. Conclusion  Patients play a vital role in the clinical information space by possessing and sharing unique knowledge relevant to the clinical picture. Without a patient''s contributions, the clinical picture of the patient is incomplete. A human factors perspective informs patient-centered care and health information technology solutions to support clinical information sharing.  相似文献   
6.
7.
8.
9.
10.
BACKGROUND: Presently, complementary and alternative medicine, including both therapies and herbal/oral supplements, is used globally. Few studies have examined the use of specific therapies, separate from herbal/oral supplements, in cardiac rehabilitation. This paper presents a systematic evaluation of current research evidence related to use of specific complementary and alternative medicine therapies in secondary prevention of cardiovascular disease, with a view to making recommendations for cardiac rehabilitation. DESIGN AND METHODS: A literature search was conducted using complementary and alternative medicine websites, Medline, Allied and Complementary Medicine, CINAHL, Cochrane databases, EMBASE, SportDiscus, Clinical Evidence, and Evidence-Based Practice to locate research-based scientific evidence related to the use of complementary and alternative medicine in cardiac rehabilitation. Search keywords included heart, cardiac, cardiovascular, coronary, myocardial and rehabilitation, combined with particular therapies. Herbal/oral supplements were not included in this evaluation. RESULTS: Some complementary and alternative medicine therapies may be useful to patients by themselves or coupled with traditional cardiac rehabilitation. Tai chi, as a complement to existing exercise interventions, can be utilized for low and intermediate risk patients. transcendental meditation may be used as a stress reduction technique. There was insufficient evidence found for the use of acupuncture or chelation therapy in cardiac rehabilitation or secondary prevention. CONCLUSIONS: Some complementary and alternative medicine therapies hold promise for patients in cardiac rehabilitation. Further research is essential, however, in all areas of complementary and alternative medicine to confirm its usefulness as an adjunct to cardiac rehabilitation.  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