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   11510篇
  免费   955篇
  国内免费   21篇
耳鼻咽喉   49篇
儿科学   510篇
妇产科学   276篇
基础医学   1618篇
口腔科学   78篇
临床医学   1875篇
内科学   2078篇
皮肤病学   182篇
神经病学   976篇
特种医学   165篇
外科学   950篇
综合类   149篇
一般理论   29篇
预防医学   1447篇
眼科学   222篇
药学   867篇
中国医学   21篇
肿瘤学   994篇
  2023年   105篇
  2022年   122篇
  2021年   248篇
  2020年   218篇
  2019年   293篇
  2018年   300篇
  2017年   246篇
  2016年   275篇
  2015年   274篇
  2014年   379篇
  2013年   575篇
  2012年   860篇
  2011年   896篇
  2010年   479篇
  2009年   428篇
  2008年   763篇
  2007年   818篇
  2006年   795篇
  2005年   734篇
  2004年   683篇
  2003年   581篇
  2002年   612篇
  2001年   119篇
  2000年   85篇
  1999年   130篇
  1998年   135篇
  1997年   102篇
  1996年   117篇
  1995年   100篇
  1994年   68篇
  1993年   65篇
  1992年   62篇
  1991年   70篇
  1990年   43篇
  1989年   37篇
  1988年   54篇
  1987年   30篇
  1986年   37篇
  1985年   44篇
  1984年   35篇
  1983年   35篇
  1982年   33篇
  1981年   36篇
  1980年   38篇
  1979年   25篇
  1978年   27篇
  1977年   22篇
  1975年   20篇
  1974年   18篇
  1968年   15篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
941.
Bullying remains a significant issue in the lives of many primary school children in Northern Ireland and elsewhere. Children are now experiencing direct and indirect bullying as well as cyberbullying, all of which can have significant negative consequences for health and well-being that may persist in the long term into adulthood. Many children do not tell of their bullying experience or seek help and support. While bullying has achieved a higher profile on the policy and practice agenda over the past few years, prevalence and incidence rates have improved little. Peer support programmes have increasingly been identified as an important element of whole school approaches to tackling and preventing bullying. It has been suggested that these programmes contribute by building resilience, promoting friendship and challenging negative peer group roles in bullying behaviour. This paper presents a case study that describes the process by which a befriending peer support intervention was developed in a primary school setting in Northern Ireland. The factors contributing to its role in promoting friendship and countering bullying at the school are presented.  相似文献   
942.
Abstract Suicide stories in newspapers have been identified as an important risk factor for individual suicide because they provide real‐life models for vulnerable individuals. The link between suicide ‘stories’ and suicide rates, however, is not clearly understood. One problem is the lack of detailed analysis of how suicide stories are constructed. Yet this is important because it would enable researchers to comprehend more fully how newspaper reports shape and structure ‘reality’. It is argued that the suicide story is a way of mapping out reality and that by de‐constructing we can learn how this shapes and constrains our understanding of suicide and the actions adopted in response to it. The aim of this study, therefore, is to explore the social construction of suicide stories in Scottish newspapers. Two broad sheet and two tabloid newspapers were scanned for suicide stories for the year 1999. One hundred and ninety‐one articles reporting suicide were identified and analysed using grounded theory. This generated a set of conceptual categories, which formed the basis of a framework. The study found that visualising, locating, social impacting and causal searching were key concepts in the construction of a suicide story, and that these were connected through the core explanatory category of ‘morality’. The study also showed how suicide was rendered explicable through the concepts of deviancy, dysfunction and moral weakness.  相似文献   
943.
944.

Background  

Epidemiological and other studies that require participants to respond by completing a questionnaire face the growing threat of non-response. Response rates to household telephone surveys are diminishing because of changes in telecommunications, marketing and culture. Accordingly, updated information is required about the rate of telephone listing in directories and optimal strategies to maximise survey participation.  相似文献   
945.
946.
947.
948.
949.
Antidromic action: Part I   总被引:3,自引:0,他引:3  
  相似文献   
950.
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