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   1525篇
  免费   218篇
  国内免费   5篇
耳鼻咽喉   1篇
儿科学   29篇
妇产科学   16篇
基础医学   66篇
口腔科学   20篇
临床医学   395篇
内科学   283篇
皮肤病学   5篇
神经病学   60篇
特种医学   6篇
外科学   45篇
综合类   43篇
一般理论   1篇
预防医学   239篇
眼科学   20篇
药学   500篇
中国医学   7篇
肿瘤学   12篇
  2024年   1篇
  2023年   28篇
  2022年   49篇
  2021年   91篇
  2020年   100篇
  2019年   94篇
  2018年   90篇
  2017年   83篇
  2016年   61篇
  2015年   75篇
  2014年   103篇
  2013年   140篇
  2012年   65篇
  2011年   75篇
  2010年   59篇
  2009年   63篇
  2008年   77篇
  2007年   75篇
  2006年   59篇
  2005年   68篇
  2004年   51篇
  2003年   30篇
  2002年   33篇
  2001年   36篇
  2000年   22篇
  1999年   18篇
  1998年   11篇
  1997年   14篇
  1996年   7篇
  1995年   1篇
  1994年   8篇
  1993年   6篇
  1992年   6篇
  1991年   8篇
  1990年   3篇
  1989年   7篇
  1988年   3篇
  1987年   3篇
  1986年   1篇
  1985年   4篇
  1984年   2篇
  1983年   5篇
  1981年   5篇
  1980年   1篇
  1979年   5篇
  1977年   1篇
  1976年   1篇
排序方式: 共有1748条查询结果,搜索用时 203 毫秒
1.
2.
3.
Prescribing of proton pump inhibitors (PPIs) has markedly increased since their inception more than 30 years ago. The increase is related to inappropriate and long-term prescribing of PPIs, associated with a lack of education and unclear prescribing and deprescribing guidelines. The implementation of prescribing stewardship programs influences the reduction and inappropriate use of this medication. The purpose of this review is to address the gaps that exist regarding the use of PPIs along with determining methods for deprescribing. Guidelines and stewardship programs, along with education, are needed to reduce the adverse health effects of long-term PPI therapy.  相似文献   
4.
5.
6.
运用市场手段实现医药自然分开的理论探讨   总被引:1,自引:0,他引:1  
回顾了韩国、我国台湾和大陆实行医药分开改革的过程,认为我国以往的相关改革陷入了“管制”的思维误区。认为通过制度设计,创造医疗机构门诊处方自由流动的环境,依靠市场竞争形成处方流向结构多元化,可以实现医药自然分开状态。提出了“医药自然分开”、“处方流向结构”和“处方分散度”等新概念。  相似文献   
7.
An optic chiasm glioma may cause loss of vision, endocrine disturbances, hydrocephalus and cerebral ischemia due to its proximity to the pituitary, hypothalamus, III ventricle and internal carotids. A 3-month-old infant with optic chiasm glioma developed hypopituitarism and inappropriate secretion of antidiuretic hormone with plasma hypo-osmolality. The cerebrospinal fluid (CSF) protein concentration was markedly elevated. The impairment of fluid absorption via arachnoid villi and peritoneum by the high protein content, and reversed osmotic gradient between protein-rich CSF and hypo-osmolar plasma may have contributed to both nonobstructive hydrocephalus and recurrent ascites following ventriculoperitoneal shunting. Cerebral ischemia from carotid compression may have led to cerebral atrophy.  相似文献   
8.
This report describes a patient with an implantable defibrillator who suffered an inappropriate defibrillation shock upon retrieving some food items from his inadequately earthed refrigerator. Noise typical of electrical interference can be observed in the stored electrogram of the episode. The patient was instructed to earth his home appliances, but he decided to avoid his refrigerator altogether, and has had no subsequent shocks.  相似文献   
9.
10.
ObjectiveIn nursing homes (NHs), psychoactive medication use has received notable attention, but less is known about prescribing in assisted living (AL). This study examined how antipsychotic and antianxiety medication prescribing in AL compares with NHs.DesignObservational, cross-sectional AL data linked to publicly reported NH measures.Setting and ParticipantsRandom sample of 250 AL communities and the full sample of 3371 NHs in 7 states.MethodsWe calculated the percentage of residents receiving antipsychotics and antianxiety medications. For each AL community, we calculated the distance to NHs in the state. Linear models estimated the relationship between AL prescribing and that of the closest and farthest 5 NHs, adjusting for AL characteristics and state fixed effects.ResultsThe prescribing rate of potentially inappropriate antipsychotics (i.e., excluding for persons with recorded schizophrenia and Tourette syndrome) and of antianxiety medications (excluding for those on hospice) in AL was 15% and 21%, respectively. Unadjusted mean antipsychotic prescribing rates were nominally higher in AL than NHs (14.8% vs 14.6%; P = .056), whereas mean antianxiety prescribing was nominally lower in AL (21.2% vs 22.6%; P = .032). In adjusted analyses, AL rates of antipsychotic use were not associated with NH rates. However, being affiliated with an NH was associated with a lower rate of antipsychotic use [b = −0.03; 95% confidence interval (CI) −0.50 to −0.001; P = .043], whereas antianxiety rates were associated with neighboring NHs’ prescribing rates (b = 0.43; 95% CI 0.16–0.70; P = .002).Conclusions and ImplicationsThis study suggests reducing antipsychotic medication use in NHs may influence AL practices in a way not accounted for by local NH patterns. And, because antianxiety medications have not been the focus of national campaigns, they may be more subject to local prescribing behaviors. It seems advantageous to consider prescribing in AL when efforts are implemented to change NH prescribing, as there seems to be related influence whether by affiliation or region.  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