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   392篇
  免费   30篇
  国内免费   2篇
耳鼻咽喉   9篇
儿科学   11篇
妇产科学   8篇
基础医学   76篇
口腔科学   26篇
临床医学   14篇
内科学   61篇
皮肤病学   10篇
神经病学   57篇
特种医学   7篇
外科学   24篇
综合类   22篇
预防医学   12篇
眼科学   1篇
药学   37篇
中国医学   36篇
肿瘤学   13篇
  2023年   1篇
  2022年   1篇
  2021年   7篇
  2020年   6篇
  2019年   29篇
  2018年   38篇
  2017年   14篇
  2016年   7篇
  2015年   14篇
  2014年   32篇
  2013年   20篇
  2012年   26篇
  2011年   33篇
  2010年   17篇
  2009年   21篇
  2008年   18篇
  2007年   14篇
  2006年   8篇
  2005年   9篇
  2004年   8篇
  2003年   9篇
  2002年   4篇
  2001年   5篇
  2000年   2篇
  1999年   2篇
  1998年   1篇
  1997年   2篇
  1996年   4篇
  1995年   2篇
  1994年   3篇
  1993年   1篇
  1992年   1篇
  1988年   1篇
  1987年   2篇
  1986年   2篇
  1985年   12篇
  1984年   14篇
  1983年   6篇
  1982年   2篇
  1981年   12篇
  1980年   1篇
  1979年   7篇
  1978年   4篇
  1976年   1篇
  1975年   1篇
排序方式: 共有424条查询结果,搜索用时 19 毫秒
1.
Abstract

Addiction recovery has gained considerable attention over the past few years. Despite the diffuse conceptualization of ‘recovery’, a range of studies have been conducted on what recovery means. Even though cocaine is the most frequently used stimulant drug, little qualitative research has been done on recovery from cocaine addiction. This study provides more insight into the personal perspectives of (former) cocaine-dependent individuals. In-depth interviews (n?=?23) were conducted in a cocaine-specific treatment programme (CRA?+?vouchers) in Belgium. According to respondents, cocaine addiction recovery is a process that concerns an identity shift, building on personal strengths and utilizing sources of support from the close social network and society. The results showed some specific features regarding the recovery process of individuals in recovery from cocaine addiction, since ‘socially integrated’ cocaine users had a head start due to advantages such as being employed and having a social network. Support should be tailored to the specific needs of individuals in recovery and social networks and communities that support recovery are needed.  相似文献   
2.
Over a decade ago, use of tyrosine kinase inhibitors (TKIs) for the treatment of malignancies was found to cause left ventricular dysfunction, a finding that was unexpected and not well predicted by standard preclinical studies. Subsequently, several preclinical approaches were proposed to address this issue. Over the last 5 years, several approaches for preclinical evaluation of cardiac function using isolated perfused hearts, engineered heart tissue and human‐induced pluripotent stem cell‐derived cardiac myocytes have been shown to be relatively predictive of the cardiotoxic potential of TKIs. Further, preclinical studies submitted for regulatory review for recently approved KIs have demonstrated various forms of KI‐induced cardiotoxicity. Thus, early identification and assessment of cardiotoxicity in the preclinical setting is now possible. Given that kinases are involved in diverse cellular processes common to both normal and tumor cells, KI‐induced toxicity, particularly in the heart, appears difficult to avoid. To develop drugs with fewer adverse effects, better efficacy and safety assessments, such as pharmacological separation of targets for cancer from heart, and/or wider separation of the drug concentrations for antitumor activity from cardiac toxicity, may be helpful. Additional preclinical approaches for assessing drug efficacy and toxicity in parallel may include use of animal cancer models and a 3D integrated in vitro model of perfused tumor and heart tissues. Minimizing and predicting potential KI‐induced cardiotoxicity is still an important regulatory challenge, and better preclinical approaches may help achieve this goal.  相似文献   
3.
4.
5.
6.
7.
8.

Objective

To assay peripheral inter-ictal cytokine serum levels and possible relations with non-invasive vagus nerve stimulation (nVNS) responsiveness in migraineurs.

Methods

This double-blinded, sham-controlled study enrolled 48 subjects and measured headache severity, frequency [headache days/month, number of total and mild/moderate/severe classified attacks/month], functional state [sleep, mood, body weight, migraine-associated disability] and serum levels of inflammatory markers [inter-ictal] using enzyme-linked immunoassays at baseline and after 2 months of adjunctive nVNS compared to sham stimulation and suitably matched controls.

Results

No significant differences were observed at baseline and after 2 months for headache severity, total attacks/month, headache days/month and functional outcome [sleep, mood, disability] between verum and sham nVNS. However, the number of severe attacks/month significantly decreased in the verum nVNS group and circulating pro-inflammatory IL-1β was elevated significantly in the sham group compared to nVNS. Levels of anti-inflammatory IL-10 were significantly higher at baseline in both groups compared to healthy controls, but not at 2 months follow-up [p?<?0.05]. Concentrations of high-mobility group box-1 (HMGB-1), IL-6, tumor-necrosis factor-α (TNF-α), leptin, adiponectin, ghrelin remained unchanged [p?>?0.05]. No severe device-/stimulation-related adverse events occurred.

Conclusion

2 months of adjunctive cervical nVNS significantly declined the number of severe attacks/month. Pro-inflammatory IL-1β plasma levels [inter-ictal] were higher in sham-treated migraine patients compared to verum nVNS. However, pro- [IL-6, HMGB-1, TNF-α, leptin] and anti-inflammatory [IL-10, adiponectin, ghrelin] mediators did not differ statistically. Profiling of neuroinflammatory circuits in migraine to predict nVNS responsiveness remains an experimental approach, which may be biased by pre-analytic variables warranting large-scale biobank-based systematic investigations [omics].  相似文献   
9.
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