全文获取类型
收费全文 | 3890篇 |
免费 | 405篇 |
国内免费 | 36篇 |
专业分类
耳鼻咽喉 | 61篇 |
儿科学 | 33篇 |
妇产科学 | 29篇 |
基础医学 | 629篇 |
口腔科学 | 180篇 |
临床医学 | 702篇 |
内科学 | 335篇 |
皮肤病学 | 12篇 |
神经病学 | 582篇 |
特种医学 | 109篇 |
外科学 | 377篇 |
综合类 | 310篇 |
一般理论 | 5篇 |
预防医学 | 549篇 |
眼科学 | 18篇 |
药学 | 259篇 |
12篇 | |
中国医学 | 57篇 |
肿瘤学 | 72篇 |
出版年
2023年 | 99篇 |
2022年 | 132篇 |
2021年 | 186篇 |
2020年 | 208篇 |
2019年 | 185篇 |
2018年 | 193篇 |
2017年 | 179篇 |
2016年 | 153篇 |
2015年 | 194篇 |
2014年 | 259篇 |
2013年 | 318篇 |
2012年 | 193篇 |
2011年 | 191篇 |
2010年 | 170篇 |
2009年 | 185篇 |
2008年 | 210篇 |
2007年 | 139篇 |
2006年 | 138篇 |
2005年 | 114篇 |
2004年 | 71篇 |
2003年 | 92篇 |
2002年 | 59篇 |
2001年 | 44篇 |
2000年 | 51篇 |
1999年 | 41篇 |
1998年 | 33篇 |
1997年 | 34篇 |
1996年 | 27篇 |
1995年 | 34篇 |
1994年 | 28篇 |
1993年 | 27篇 |
1992年 | 40篇 |
1991年 | 23篇 |
1990年 | 21篇 |
1989年 | 18篇 |
1988年 | 15篇 |
1987年 | 18篇 |
1986年 | 20篇 |
1985年 | 22篇 |
1984年 | 23篇 |
1983年 | 15篇 |
1982年 | 15篇 |
1981年 | 15篇 |
1980年 | 15篇 |
1979年 | 13篇 |
1978年 | 16篇 |
1977年 | 7篇 |
1976年 | 13篇 |
1975年 | 7篇 |
1972年 | 5篇 |
排序方式: 共有4331条查询结果,搜索用时 15 毫秒
1.
2.
《Vaccine》2022,40(30):3999-4007
BackgroundA value of vaccination framework for economic evaluation (EE) identified unique value concepts for the broad benefits vaccination provides to individuals, society, healthcare systems and national economies. The objectives of this paper were to work with experts in developed countries to objectively identify three priority concepts to extend current EE.MethodsThe previously developed classification of value concepts in vaccination distinguished 18 concepts, categorised as conventional payer and societal perspective concepts and novel broader societal concepts. Their inclusion in current EE guidelines was assessed. Experts identified eight criteria relevant to decision-making and measurement feasibility, which were weighted and used to score each concept. The relative ranking of concepts by importance and the gaps in guidelines were used to identify three priority concepts on which to focus immediate efforts to extend EE.ResultsThe EE guidelines review highlighted differences across countries and between guidelines and practice. Conventional payer perspective concepts (e.g., individual and societal health gains and medical costs) were generally included, while gaps were evident for conventional societal perspective concepts (e.g., family/caregiver health and economic gains). Few novel broader societal benefits were considered, and only in ad hoc cases. The top-three concepts for near-term consideration: macroeconomic gains (e.g., benefiting the economy, tourism), social equity and ethics (e.g., equal distribution of health outcomes, reduced health/financial equity gaps) and health systems strengthening, resilience and security (e.g., efficiency gains, reduced disruption, increased capacity).ConclusionsGaps, inconsistencies and limited assessment of vaccination value in EE can lead to differences in policy and vaccination access. The three priority concepts identified provide a feasible approach for capturing VoV more broadly in the near-term. Robust methods for measuring and valuing these concepts in future assessments will help strengthen the evidence used to inform decisions, improving access to vaccines that are demonstrably good value for money from society’s point of view. 相似文献
3.
《Saudi Pharmaceutical Journal》2022,30(7):954-963
BackgroundThe continuing expansion of the pharmacist’s role necessitates continuous evaluation of current practice to identify strategies for improvements. The International Pharmaceutical Federation (FIP) has developed tools to support stakeholders in identifying development needs and planning advancement strategies. The aim of this research was to utilise the FIP Global Competency Framework, version 2 (GbCF v2), and FIP Development Goals (DGs) to evaluate competencies related to pharmacy practice in Saudi Arabia, and to understand the strategies needed to develop and improve the current practice.MethodsThe study involved four phases. Phase 1 involved translation of the FIP GbCF v2 into the Arabic language. Phase 2 was a consensus panel validation to establish the initial relevance of the competencies to current practice. Phase 3 included a national survey distributed to all registered pharmacists in Saudi Arabia. The final phase was conducted through mapping ‘not relevant’ competencies to FIP DGs to identify priorities.ResultsThe translation phase yielded a bilingual framework that could be utilized by pharmacists in Saudi Arabia. The initial validation phase identified 61 behavioral statements (from 124 in the GbCF v2) as ‘highly relevant’ or ‘relevant’ to pharmacy practice. Findings from the national survey identified a list of ‘not relevant’ competencies that could highlight gaps in current practice. The final mapping phase generated a list of three FIP DG priorities: DG5 (competency development), DG8 (working with others) and DG11 (impact and outcomes).ConclusionThe study indicated that competencies in the GbCF v2 were relevant to pharmacists practicing in the country. However, some competencies were perceived as ‘not relevant’ to current practice and these highlighted gaps in the current practice that need attention. Mapping ‘not relevant’ competencies to FIP DGs should be used as a starting point towards developing strategies, systems, and protocols to advance pharmacy practice in Saudi Arabia. 相似文献
4.
5.
6.
7.
8.
目的:为探讨线上积极自我呈现、线上积极反馈、自尊与人际困扰的关系。方法:采用人际关系综合诊断量表、社交网站积极反馈问卷、社交网站自我呈现问卷和自尊量表,对内蒙古地区1069名大学生进行调查,使用SPSS进行描述性分析,使用Mplus进行多重中介效应分析。结果:(1)线上积极自我呈现、线上积极反馈、自尊均与人际困扰间呈显著负相关,积极自我呈现、线上积极反馈、自尊三者间两两呈显著正相关。(2)线上积极自我呈现对人际困扰的影响通过三条中介路後发生作用,分别通过自尊与线上积极反馈的独立中介作用,以及线上积极反馈与自尊的链式中介作用。结论:线上积极自我呈现不但能使大学生获得更多线上积极反馈和提高自尊水平,而且还能通过二者中介作用缓解人际困扰。 相似文献
9.
10.