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   24723篇
  免费   2802篇
  国内免费   307篇
耳鼻咽喉   65篇
儿科学   652篇
妇产科学   259篇
基础医学   2290篇
口腔科学   400篇
临床医学   4823篇
内科学   2317篇
皮肤病学   74篇
神经病学   3672篇
特种医学   259篇
外国民族医学   1篇
外科学   900篇
综合类   2515篇
一般理论   26篇
预防医学   5655篇
眼科学   84篇
药学   1318篇
  42篇
中国医学   1914篇
肿瘤学   566篇
  2024年   43篇
  2023年   672篇
  2022年   607篇
  2021年   1232篇
  2020年   1353篇
  2019年   1306篇
  2018年   1084篇
  2017年   1390篇
  2016年   1209篇
  2015年   1162篇
  2014年   1679篇
  2013年   2805篇
  2012年   1384篇
  2011年   1446篇
  2010年   1045篇
  2009年   1067篇
  2008年   1090篇
  2007年   996篇
  2006年   906篇
  2005年   731篇
  2004年   629篇
  2003年   549篇
  2002年   461篇
  2001年   378篇
  2000年   358篇
  1999年   264篇
  1998年   235篇
  1997年   198篇
  1996年   161篇
  1995年   156篇
  1994年   117篇
  1993年   143篇
  1992年   127篇
  1991年   88篇
  1990年   82篇
  1989年   86篇
  1988年   76篇
  1987年   62篇
  1986年   78篇
  1985年   64篇
  1984年   47篇
  1983年   41篇
  1982年   39篇
  1981年   28篇
  1980年   33篇
  1979年   21篇
  1978年   17篇
  1977年   19篇
  1976年   17篇
  1974年   17篇
排序方式: 共有10000条查询结果,搜索用时 78 毫秒
1.
《Value in health》2022,25(4):482-491
ObjectivesExisting measures for estimating quality-adjusted life-years are mostly limited to health-related quality of life. This article presents an overview of the development the EQ-HWB (EQ Health and Wellbeing), which is a measure that encompasses health and wellbeing.MethodsStages: (1) Establishing domains through reviews of the qualitative literature informed by a conceptual framework. (2) Generation and selection of items to cover the domains. (3) Face validation of these items through qualitative interviews with 168 patients, social care users, general population, and carers across 6 countries (Argentina, Australia, China, Germany, United Kingdom, United States). (4) Extensive psychometric testing of candidate items (using classical, factor analysis, and item response theory methods) on > 4000 respondents in the 6 countries. Stakeholders were consulted throughout.ResultsA total of 32 subdomains grouped into 7 high-level domains were identified from the qualitative literature and 97 items generated to cover them. Face validation eliminated 36 items, modified 14, and added 3. Psychometric testing of 64 items found little difference in missing data or problems with response distribution, the conceptual model was confirmed except in China, and most items performed well in the item response theory in all countries. Evidence was presented to stakeholders in 2 rounds of consultation to inform the final selection of items for the EQ-HWB (25-item) and the short version of EQ-HWB (9-items).ConclusionsEQ-HWB measures have been developed internationally for evaluating interventions in health, public health, and social care including the impact on patients, social care users, and carers.  相似文献   
2.
《Vaccine》2022,40(12):1855-1863
Renewed COVID-19 outbreaks, stemming from the highly infectious Delta and Omicron variants, prompted rising fears of a ‘pandemic among the unvaccinated’. To address this prevalent vaccination crisis, media framing communication strategies can amplify the scientific evidence on COVID-19 vaccines to reach diverse geographic and socio-economic communities. The critical role of media framing strategies to engage and encourage large populations regarding vaccine acceptance has been rarely studied, despite growing evidence on vaccine hesitancy. The present study used a multi-method approach (i.e., content analysis and quasi-experiments) that unpacked the framing practices employed by the mainstream media in Pakistan. The findings of the content analysis revealed that the media extensively used uncertainty, conflict, consequences, and action rather than new evidence and reassurance frames in its COVID-19 related campaigns. In a series of quasi-experiments involving 720 participants, we manipulated these six frames of COVID-19 related news coverage (i.e., uncertainty, conflict, consequences, action, new evidence, and reassurance) to investigate the underlying mechanism that influences vaccine acceptance. The findings established that the message-consistent effects of media frames manifesting fear (e.g., consequence and uncertainty) and action cues made receivers more supportive of vaccination. The present study findings theoretically address the calls for a more inclusive “community-health reporting model”, besides offering new evidence on the media framing strategies to deliver more targeted, meaningful, and effective campaigns to raise public acceptance for COVID-19 vaccines.  相似文献   
3.
社会力量具备相应的经济基础和技术条件,对于公立互联网医院体系建设具有积极的促进作用。但是实践中仍然存在商业模式不完善、监管制度不健全等问题。基于经济学契约理论要义,提出在坚持激励与约束机制并举、平衡公私益关系的前提下,通过完善医保政策、构建互联网医疗服务价格分类管理机制来促进社会力量向医疗服务公益性目标回归,并通过构建完善的监督体制来约束部分社会力量的盲目逐利性行为。  相似文献   
4.
The availability of human papillomavirus (HPV) vaccines and screening tests has raised the possibility of globally eliminating cervical cancer, which is caused by HPV. Cervical cancer is a very common malignancy worldwide, especially among deprived women. High vaccination coverage is key to the containment and eventual elimination of the infection. Public HPV vaccination programmes in Italy and Denmark were swiftly established and are among the most successful worldwide. Still, in both countries, it has been challenging to achieve and maintain the recommended coverage of > 80% in girls. In a well‐studied Italian region, vaccination coverage in girls at age 15 years (World Health Organization''s gold standard) reached 76% in 2015 but decreased to 69% in 2018, likely due to work overload in public immunization centres. In Denmark, doubts about safety and efficacy of the HPV vaccine generated a decline in coverage among girls age 12–17, from 80% in 2013 down to 37% in 2015, when remedial actions made it rise again. Insights from these two countries are shared to illustrate the importance of monitoring coverage in a digital vaccine registry and promptly reacting to misinformation about vaccination.

Abbreviations

CC
cervical cancer
FVG
Friuli Venezia Giulia
HICs
high‐income countries
HPV
human papillomavirus
LMICs
middle‐income countries
WHO
World Health Organization
  相似文献   
5.
6.
7.
8.
9.
10.
The purpose of this study was to illuminate pediatric neonatal nurses' (PNNs') experiences of enhancing early attachment for the premature children in neonatal intensive care (NIC). An interview study with 8 PNNs in NIC in southeastern Sweden was conducted, and analyzed by content analysis. Result, illustrated three categories: Enabling closeness between the child and the parents, Supporting parents’ sense of parenthood, and Obstacles to enhancing attachment. Discussion, PNNs have a great role to supporting parents, but several barriers need to be addressed to make it easier for the PNN in NIC to enhance attachment for the child.  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