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   4958篇
  免费   382篇
  国内免费   20篇
耳鼻咽喉   57篇
儿科学   134篇
妇产科学   99篇
基础医学   687篇
口腔科学   57篇
临床医学   669篇
内科学   884篇
皮肤病学   48篇
神经病学   512篇
特种医学   301篇
外科学   503篇
综合类   139篇
一般理论   5篇
预防医学   519篇
眼科学   71篇
药学   373篇
中国医学   12篇
肿瘤学   290篇
  2023年   33篇
  2022年   29篇
  2021年   88篇
  2020年   43篇
  2019年   91篇
  2018年   97篇
  2017年   65篇
  2016年   91篇
  2015年   124篇
  2014年   132篇
  2013年   173篇
  2012年   251篇
  2011年   274篇
  2010年   159篇
  2009年   136篇
  2008年   241篇
  2007年   245篇
  2006年   220篇
  2005年   233篇
  2004年   226篇
  2003年   188篇
  2002年   177篇
  2001年   144篇
  2000年   129篇
  1999年   142篇
  1998年   59篇
  1997年   86篇
  1996年   63篇
  1995年   62篇
  1994年   54篇
  1993年   39篇
  1992年   96篇
  1991年   92篇
  1990年   84篇
  1989年   86篇
  1988年   77篇
  1987年   67篇
  1986年   75篇
  1985年   76篇
  1984年   44篇
  1983年   49篇
  1982年   33篇
  1981年   31篇
  1980年   41篇
  1979年   39篇
  1978年   34篇
  1976年   26篇
  1974年   31篇
  1972年   32篇
  1970年   26篇
排序方式: 共有5360条查询结果,搜索用时 15 毫秒
1.
2.
The clinical presentation of electrical injury commonly involves physical, cognitive, and emotional complaints. Neuropsychological studies, including case reports, have indicated that electrical injury (EI) survivors may experience a broad range of impaired neuropsychological functions, although this has not been clarified through controlled investigation. In this study, we describe the neuropsychological test findings in a series of 29 EI patients carefully screened and matched to a group of 29 demographically similar healthy electricians. Participants were matched by their estimated premorbid intellectual ability. Multivariate analysis of variance was used to assess group differences in the following neuropsychological domains: attention and mental speed, working memory, verbal memory, visual memory, and motor skills. EI patients performed significantly worse on composite measures of attention/mental speed and motor skills, which could not be explained by demographic differences, injury parameters, litigation status, or mood disturbance. Results suggest that cognitive changes do occur in patients suffering from electrical injury.  相似文献   
3.

Background  

Exercise has been recommended for improving global-well being in adults with fibromyalgia. However, no meta-analysis has determined the effects of exercise on global well-being using a single instrument and when analyzed separately according to intention-to-treat and per-protocol analyses. The purpose of this study was to fill that gap.  相似文献   
4.
5.
In 1995, the National League for Nursing commissioned a Panel on Interdisciplinary/Transdisciplinary Education. The focus of the Panel's work was to examine educational issues that transcend the health professions and to make recommendations for future implementation of an interdisciplinary approach to addressing them. This article is being simultaneously published by several professional journals. The goal is to seek as much feedback as possible.  相似文献   
6.
7.
Two patients with ischemic strokes, presumably due to embolism, developed spontaneous hemorrhagic cerebral infarctions which were detected by follow-up cranial computed tomography. Clinical deterioration was associated with hemorrhagic transformation in one patient. In each case, immediate anticoagulant therapy was considered but was deferred. Implications of the use of anticoagulant therapy in pediatric patients with acute embolic stroke are discussed.  相似文献   
8.
We report select outcomes from an evaluation of Project Wall Talk, a community-based, peer-led HIV prevention education program implemented in 36 Texas State prison units. Peer educators completed questionnaires prior to receipt of a 40-hour intensive training (N = 590) and at 9-month follow-up (N = 257). Students (N = 2506) completed questionnaires pre- and post-receipt of peer educator-led HIV education sessions. Peer educators and their students showed significant increases in HIV-related knowledge. Peer educators showed significant increases in assessment of their skills as educators. For both peer educators and students, significant differences in HIV-related knowledge were indicated across categories of prior educational level attained and race/ethnicity; no such differences were indicated at follow-up. Compared with baseline, a significantly greater proportion of peer educators reported ever having had an HIV test. After receiving peer-led education, a significantly smaller proportion of students reported they knew their HIV status and more indicated plans to take an HIV test. Additionally, in months 12 and 18 following program implementation, the numbers of HIV tests at the five units that implemented the peer education program were roughly twice that of five, matched comparison units without the peer education program. Based on peer educator reports, we projected that peer educators (N = 257) may have as many as 84,000 or more annual opportunities to share HIV-related knowledge with other prisoners outside the classroom.  相似文献   
9.
10.
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