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   34787篇
  免费   2538篇
  国内免费   59篇
耳鼻咽喉   312篇
儿科学   1219篇
妇产科学   994篇
基础医学   4436篇
口腔科学   444篇
临床医学   4517篇
内科学   6325篇
皮肤病学   482篇
神经病学   3700篇
特种医学   626篇
外国民族医学   4篇
外科学   3301篇
综合类   364篇
一般理论   45篇
预防医学   4830篇
眼科学   551篇
药学   2307篇
中国医学   23篇
肿瘤学   2904篇
  2024年   46篇
  2023年   302篇
  2022年   523篇
  2021年   1146篇
  2020年   699篇
  2019年   1065篇
  2018年   1199篇
  2017年   848篇
  2016年   997篇
  2015年   1041篇
  2014年   1362篇
  2013年   1941篇
  2012年   2800篇
  2011年   3029篇
  2010年   1586篇
  2009年   1333篇
  2008年   2431篇
  2007年   2456篇
  2006年   2239篇
  2005年   2107篇
  2004年   1885篇
  2003年   1637篇
  2002年   1655篇
  2001年   268篇
  2000年   224篇
  1999年   259篇
  1998年   327篇
  1997年   259篇
  1996年   184篇
  1995年   189篇
  1994年   147篇
  1993年   131篇
  1992年   120篇
  1991年   85篇
  1990年   100篇
  1989年   77篇
  1988年   87篇
  1987年   68篇
  1986年   69篇
  1985年   48篇
  1984年   37篇
  1983年   49篇
  1982年   35篇
  1981年   28篇
  1980年   22篇
  1979年   36篇
  1978年   19篇
  1977年   32篇
  1976年   17篇
  1973年   21篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz - Akteure der öffentlichen Gesundheit (Public Health) tragen wesentlich zu Gesundheitsschutz, -förderung und...  相似文献   
2.
3.
Despite orientation and mobility (O&M) being a significant factor determining quality of life of people with low vision or blindness, there are no gold standard measures or agreement on how to measure O&M performance. In the first part of this systematic review, an inventory of O&M outcome measures used by recent studies to assess the performance of orientation and/or mobility of adults with vision impairment (low vision and blindness) is presented. A wide variety of O&M outcome measures have been implemented in different fields of study, such as epidemiologic research and interventional studies evaluating training, assistive technology, vision rehabilitation and vision restoration. The most frequent aspect of outcome measures is efficiency such as time, distance, speed and percentage of preferred walking speed, followed by obstacle contacts and avoidance, and dis/orientation and veering. Other less commonly used aspects are target identification, safety and social interaction and self-reported outcome measures. Some studies employ sophisticated equipment to capture and analyse O&M performance in a laboratory setting, while others carry out their assessment in real-world indoor or outdoor environments. In the second part of this review, the appropriateness of implementing the identified outcome measures to assess O&M performance in clinical and functional O&M practice is evaluated. Nearly a half of these outcome measures meet all four criteria of face validity (either clinical or functional), responsiveness, reliability and feasibility and have the potential to be implemented in clinical or functional O&M practice. The findings of this review confirm the complicated and dynamic nature of O&M. Multiple measures are required in any evaluation of O&M performance to facilitate holistic assessment of O&M abilities and limitations of each individual.  相似文献   
4.
5.
Metabolism describes the series of chemical reactions that are concerned with the provision of energy to biological systems. They may be divided into reactions involved in energy yield (catabolism: demand exceeds supply), and energy storage (anabolism: supply exceeds demand). Regulation of these pathways is critical for homeostasis, and derangements in metabolism are seen in a wide variety of pathological processes. Understanding metabolism is key to the treatment of many diseases, notably diabetes, as well as underpinning clinical nutritional support.  相似文献   
6.
7.
8.
9.
IntroductionInterprofessional learning (IPL) is a vital aspect of training in radiation oncology professions, yet is rarely delivered to those professionals who work most closely together in clinical practice. Scenario-based learning using simulation facilities provides a unique opportunity to facilitate this learning and this project aimed to determine the impact and value of this initiative.MethodsSmall groups comprising post-graduate diploma pre-registration therapeutic radiographers, medical physics trainees and radiation oncology registrars were challenged with 4 plausible and challenging radiotherapy scenarios within an academic simulation centre. Pre- and post-event completion of the “Readiness for Interprofessional Learning Scale” measured impact and a Likert-style survey gathered feedback from participants.ResultsThe session increased participants' teamwork and collaboration skills as well as strengthening professional identities. Participants reported high levels of enjoyment related to collaborative working, communication and observing other professionals deploying their technical skills and specialist knowledge.ConclusionAlthough beneficial, simulated scenarios offering equal opportunities for engagement across the professions are challenging to plan and timetabling issues between the 3 groups present significant difficulties. The safe environment and unique opportunity for these groups to learn together was particularly well received and future oncology-specific simulated scenario sessions are planned with larger cohorts.Implications for practiceSimulated scenario training can be used to improve team working across the radiotherapy interprofessional team and may have wider use in other specialist interdisciplinary team development.  相似文献   
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