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   28387篇
  免费   1617篇
  国内免费   257篇
耳鼻咽喉   244篇
儿科学   546篇
妇产科学   584篇
基础医学   2864篇
口腔科学   774篇
临床医学   2014篇
内科学   8202篇
皮肤病学   357篇
神经病学   2414篇
特种医学   1072篇
外科学   5314篇
综合类   55篇
一般理论   5篇
预防医学   1113篇
眼科学   529篇
药学   1658篇
中国医学   57篇
肿瘤学   2459篇
  2024年   24篇
  2023年   272篇
  2022年   498篇
  2021年   1040篇
  2020年   594篇
  2019年   850篇
  2018年   1025篇
  2017年   741篇
  2016年   892篇
  2015年   905篇
  2014年   1225篇
  2013年   1521篇
  2012年   2319篇
  2011年   2209篇
  2010年   1274篇
  2009年   1213篇
  2008年   1911篇
  2007年   1839篇
  2006年   1734篇
  2005年   1713篇
  2004年   1619篇
  2003年   1374篇
  2002年   1244篇
  2001年   131篇
  2000年   132篇
  1999年   188篇
  1998年   214篇
  1997年   169篇
  1996年   157篇
  1995年   154篇
  1994年   134篇
  1993年   119篇
  1992年   101篇
  1991年   61篇
  1990年   78篇
  1989年   59篇
  1988年   48篇
  1987年   39篇
  1986年   47篇
  1985年   40篇
  1984年   36篇
  1983年   36篇
  1982年   51篇
  1981年   29篇
  1980年   29篇
  1979年   20篇
  1978年   14篇
  1976年   13篇
  1975年   10篇
  1974年   13篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
2.
Graefe's Archive for Clinical and Experimental Ophthalmology - To estimate the impact of delayed care during the coronavirus disease 2019 (COVID-19) pandemic on the outcomes of patients with...  相似文献   
3.
4.
5.
6.
7.
8.
9.
Background:Workplace hazards are a significant source of health impairment for workers and of financial losses for firms. EU directives on workers’ health and safety standards significantly contributed to reduce reported occupational injuries, yet the incidence and prevalence of work-related mental illness is still very high.Objectives:We investigated the association between work-related hazards and individuals’ perceived mental health. We reviewed the existing evidence on the channels through which task-related factors, adverse agents and psychosocial factors are expected to affect workers’ health, with specific regard to mental health.Methods:We used data from the fifth wave of the European Working Conditions Survey, covering over 40,000 face-to-face interviews with workers in 34 countries, which includes information on socio-demographic characteristics, firms and jobs attributes, employment status, as well as working conditions and health status. We carried out an empirical analysis with multivariate regression models in order to estimate the relationship between workers’ mental health problems and workplace risk factors.Results:21,020 interviews were used in the multivariate analysis. We found strong correlations between hazards and various indicators of mental health. Among hazardous agents, low temperatures (β=0.0287) and contact with infectious materials (β=0.0394) were positively associated with mental health outcomes. Among task/sequence-related factors, tiring or painful positions (β=0.0713), repetitive hand/arm movements (β=0.0255), working with VDUs (β=0.0301), repetitive tasks <10 min (β=0.0859) and working in evenings (β=0.00754) were positively associated with mental health. Various psychosocial risk factors related to both the content of the job (for example, frequent disruptive interruptions: β=0.219, working in free time: β=0.0759, poor work-life balance: β=0.228) as well as the job context (for example, bad employment prospects: β=0.177, low decisional autonomy: β=0.245, bad social relations: β=0.186, workplace violence: β=0.411) were positively associated with mental health. The main results of the decomposition show that an important contribution to workers’ overall mental distress at work is associated with psychosocial risk factors (up to 60% for depression/anxiety symptoms and sleep disorders), while the contribution of somatic factors is on average lower (up to 20% for overall fatigue).Conclusions:We argue that action is needed to improve workers’ mental well-being, and reduce the economic costs for both the national health system and employers. Regulations and traditional economic measures are unlikely to prove successful in providing adequate standards of primary and secondary preventive measures in the work place without an appropriate and reliable Risk Assessment Procedure.Key words: Work hazards, risk assessment, job content, mental health  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