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   5790篇
  免费   208篇
  国内免费   46篇
耳鼻咽喉   11篇
儿科学   87篇
妇产科学   46篇
基础医学   1008篇
口腔科学   22篇
临床医学   1020篇
内科学   238篇
皮肤病学   17篇
神经病学   589篇
特种医学   106篇
外科学   708篇
综合类   693篇
预防医学   746篇
眼科学   14篇
药学   591篇
  1篇
中国医学   50篇
肿瘤学   97篇
  2023年   45篇
  2022年   111篇
  2021年   159篇
  2020年   131篇
  2019年   108篇
  2018年   97篇
  2017年   133篇
  2016年   160篇
  2015年   144篇
  2014年   313篇
  2013年   327篇
  2012年   372篇
  2011年   395篇
  2010年   293篇
  2009年   348篇
  2008年   369篇
  2007年   339篇
  2006年   265篇
  2005年   193篇
  2004年   169篇
  2003年   129篇
  2002年   95篇
  2001年   59篇
  2000年   42篇
  1999年   38篇
  1998年   39篇
  1997年   65篇
  1996年   85篇
  1995年   165篇
  1994年   128篇
  1993年   105篇
  1992年   106篇
  1991年   109篇
  1990年   88篇
  1989年   64篇
  1988年   21篇
  1987年   15篇
  1986年   22篇
  1985年   14篇
  1984年   15篇
  1982年   16篇
  1981年   15篇
  1980年   18篇
  1979年   14篇
  1977年   12篇
  1976年   10篇
  1975年   12篇
  1974年   10篇
  1973年   11篇
  1972年   15篇
排序方式: 共有6044条查询结果,搜索用时 187 毫秒
1.
ObjectiveRural cancer patients have unique care needs which may impact upon treatment decision-making. Our aim was to conduct a qualitative systematic review and meta-synthesis to understand their perspectives and experiences of making treatment decisions.MethodsA systematic search of MEDLINE, PsycINFO, CINAHL and RURAL was conducted for qualitative studies in rural cancer patients regarding treatment decision-making. Articles were screened for relevance, and data from the included articles were extracted and analysed using meta-thematic synthesis.ResultsTwelve studies were included, with 4 themes and 9 subthemes identified. Many studies reported patients were not given a choice regarding their treatment. Choice, if given, was influenced by personal factors such as finances, proximity to social supports, convenience, and their personal values. Patients were also influenced by the opinions of others and cultural norms. Finally, it was reported that patients made choices in the context of seeking the best possible medical care and the patient-clinician relationship.ConclusionsIn the rural context, there are universal and unique factors that influence the treatment decisions of cancer patients.Practical implicationsOur findings are an important consideration for clinicians when engaging in shared decision-making, as well as for policymakers, to understand and accommodate the unique rural perspective.  相似文献   
2.
3.

Background

Accounts of cognitive processes in judgment and decision-making are frequently based on a dual-process framework, which reflects two qualitatively different types of processing: intuitive (Type 1) and analytical (Type 2) processes.

Objective

The present study investigated the effects of bilateral transcranial direct current stimulation (tDCS) to the dorsolateral prefrontal cortex (DLPFC) on judgment and decision-making performance.

Methods

Participants received anodal tDCS stimulation to the right DLPFC, left DLPFC or sham. There were 3 tasks: vignettes measuring heuristic thinking, belief bias syllogisms, and the cognitive reflection test (CRT), a measure of the ability to inhibit automatic responses to reach a correct solution. Fifty-four participants (mean age?=?24.63?±?4.46 years; 29 females) were recruited.

Results

Results showed that anodal tDCS to the right DLPFC was associated with an increase in cognitive reflection performance (Type 2 processing) as compared to left DLPFC and to sham. Logic thinking was reduced following anodal tDCS to the left DLPFC.

Conclusion

These findings are broadly consistent with a dual process framework, and cannot be explained by differences in cognitive ability and thinking style. The results demonstrate the involvement of the right DLPFC in cognitive reflection, and suggest the possibility of improving cognitive performance through tDCS.  相似文献   
4.
5.
ObjectivesTo determine which training methods positively influenced healthcare professionals’ communication skills and families’ deceased organ donation decision-making.MethodsAn integrative review using systematic methods and narrative synthesis for data analysis. Electronic databases of PubMed, Cumulative Index to Nursing and Allied Health Literature (EBSCO), Embase (OVID) and ProQuest Dissertations & Theses Global, were searched between August 1997 and March 2020, retrieving 1019 papers. Included papers (n = 14) were appraised using the Medical Education Research Study Quality Instrument.ResultsTraining programmes offered theory, experiential learning, feedback and debriefing including self-reflection, the opportunity to role-play and interact with simulated participants within realistic case scenarios. Programmes reported observed and self-rated improvements in communication learning and confidence. The methodological quality score averaged 13, (72% of maximum); few studies used an experimental design, examined behavioural change or families’ perspectives. Weak evidence suggested training could increase organ donation authorisation/consent rates.ConclusionsMultiple training strategies are effective in improving interprofessional healthcare professionals’ confidence and learning of specialised communication. Methodological limitations restricted the ability to present definitive recommendations and further research is warranted, inclusive of family decision-making experiences.Practice implicationsLearning of specialised communication skills is enhanced by using multiple training strategies, including role-play and debriefing.  相似文献   
6.
Uncertainty is inherent in clinical medicine. However, just because absolute certainty is unachievable does not mean that rational and optimal decisions cannot be made. It is argued that we need to distinguish legitimate from illegitimate scientific uncertainties that are generated by manufacturing doubts aiming to create mis- and disinformation. The attempt to create doubts implies that actions under uncertainties are impossible. Such a belief ultimately harms public, which requires reasoned actions within a context of genuine scientific and medical uncertainties. The latter indicates that rational decisions, even in the absence of guaranteed absolute certainty, are not only possible but, on average, beneficial both for society and individuals.  相似文献   
7.
目的:探讨大小便失禁病人尊严丧失感现状及其与社会支持和应对方式的相关性。方法:采用一般资料调查表、病人尊严量表(PDI)、社会支持评定量表(SSRS)、应对方式量表(MCMQ)对山东省3所三级甲等医院119例大小便失禁病人进行调查。结果:病人尊严丧失感程度不一,不同大小便失禁时间病人尊严丧失感得分比较差异有统计学意义(P<0.05)。多元回归分析显示,大小便失禁后不同时间、主观支持、对社会支持的利用度以及屈服的应对方式是导致大小便失禁病人尊严丧失的重要因素。结论:大小便失禁病人尊严丧失感与社会支持和应对方式密切相关,加强社会支持以及积极有效的应对方式能减轻病人的尊严丧失感。  相似文献   
8.
IntroductionAccountability in nursing practice is a concept that influences quality care, decision-making, safety standards and staff values. Therefore, understanding accountability and how it affects nursing practice could improve patient care and nurses’ working conditions.AimThe aim of this study was to find factors that influenced ethical, legal and professional accountability in emergency nursing practice.MethodsA qualitative ethnographic approach using participant observation through convenience sampling was employed as the data collection method, while ethnographic content analysis was used for data analysis.ResultsThe factors linked to nursing accountability found were classified into four main themes: daily dynamics, work environment evolution, customs and routines and bioethics principles’ application.DiscussionThe long-term effect of chronic high workload and crowding, which affects nursing accountability, could promote burnout in a junior ED workforce. Changes in the nurses’ working conditions need to be implemented to limit the workload to which an ED nurse is subjected to.ConclusionED nurses have to manage their accountability in difficult situations regularly, which followed patterns of four main themes across the majority of situations. Nonetheless, all those factors were influenced by nursing workload, an ever-present factor that was always considered by ED nurses during decision-making.  相似文献   
9.
ObjectiveTo assess intervention feasibility and acceptability, and compare the effectiveness of the CHOICES Decision Aid (DA) versus the National Cancer Institute (NCI) Cancer Clinical Trials (CCT) website to improve knowledge about CCTs and preparedness to make an informed decision.MethodsOncology patients (n = 101) with a scheduled clinic visit were enrolled and randomized. Decision-making variables were collected at two timepoints. Post-intervention scores were examined via paired t-tests and multivariate regression analyses. Predictors of the magnitudes of the change in scores were examined in multivariable regression analyses.ResultsThe interventions were feasible to implement and acceptable to participants. Both interventions increased objective and subjective knowledge, improved clarity of opinions, and reduced decisional conflict (p-values < 0.01). Improvements in the belief that one could find out about CCTs were observed in the CHOICES DA arm (p < 0.001). Multivariable analyses controlling for educational attainment showed no significant differences in the magnitude of change in outcome variables between intervention arms, but did find that improvements in some variables in the NCI arm – but not CHOICES DA arm – were associated with previous educational attainment.ConclusionsInterventions were feasible to implement and acceptable. Improvements in knowledge and decision-making outcomes were observed in both arms, supporting the view that interventions to improve CCT decision making are effective and feasible. Our results suggest that the CHOICES DA may be more effective than an informational website in improving decision-making outcomes regardless of participants’ educational attainment.Practice implicationsCCT resources should support informed decision-making among all cancer survivors, regardless of educational attainment.  相似文献   
10.
ObjectiveTo conduct a scoping review of existing studies that examine communication strategies that address uncertainty in health and categorize them using the taxonomy of uncertainty.MethodsRelevant articles retrieved from ten databases were categorized according to the dimensions of the taxonomy of uncertainty, and study characteristics were extracted from each article.ResultsAll articles (n = 63) explored uncertainty in the context of probabilistic risk and related to scientific issues (n = 63; 100%). The majority focused on complexity (n = 24; 38.1%) and uncertainty experienced by patients (n = 52; 82.5%). Most utilized quantitative methods (n = 46; 73.0%), hypothetical scenarios (n = 49; 77.8%), and focused on cancer (n = 20; 31.7%). Theory guided messages and study design in fewer than half (n = 27; 42.9%).ConclusionsHeterogeneity in terminology used to refer to different types of uncertainties preclude a unified research agenda on uncertainty communication. Research predominately focuses on probability as the source of uncertainty, uncertainties related to scientific issues, and uncertainty experienced by patients.Practice implicationsAdditional efforts are needed to understand providers’ experience of uncertainty, and to identify strategies to address ambiguity. Future studies should use consistent terminology to allow for coherence and advancement of uncertainty communication scholarship. Continued efforts to refine the existing taxonomy should be undertaken.  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