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   1107篇
  免费   72篇
  国内免费   3篇
儿科学   33篇
妇产科学   12篇
基础医学   44篇
口腔科学   10篇
临床医学   119篇
内科学   76篇
皮肤病学   2篇
神经病学   32篇
特种医学   21篇
外科学   34篇
综合类   107篇
一般理论   12篇
预防医学   606篇
眼科学   4篇
药学   36篇
  2篇
中国医学   23篇
肿瘤学   9篇
  2023年   12篇
  2022年   40篇
  2021年   65篇
  2020年   76篇
  2019年   56篇
  2018年   45篇
  2017年   46篇
  2016年   39篇
  2015年   44篇
  2014年   74篇
  2013年   89篇
  2012年   71篇
  2011年   73篇
  2010年   77篇
  2009年   64篇
  2008年   56篇
  2007年   57篇
  2006年   31篇
  2005年   40篇
  2004年   37篇
  2003年   21篇
  2002年   22篇
  2001年   18篇
  2000年   8篇
  1999年   10篇
  1998年   2篇
  1997年   1篇
  1996年   1篇
  1995年   1篇
  1994年   1篇
  1992年   1篇
  1990年   2篇
  1989年   1篇
  1974年   1篇
排序方式: 共有1182条查询结果,搜索用时 15 毫秒
1.
[目的] 从“水象”视阈探讨肿瘤“瘀毒互结”病机,发挥中医药原创优势,为中医药治疗肿瘤提供具有中医原创特色的理论支撑。[方法] 通过象思维,从“水象”视阈,谈人体之血象于自然之水,人体经脉象于自然水系,探讨肿瘤“瘀毒”之“瘀”象于河道之“淤”,“瘀毒”之“毒”象于水体污染,并以河道淤泥堵塞及水体污染的治理方法归纳演绎出肿瘤“瘀毒互结”的治则治法。[结果] 以“水象”视阈观之,肿瘤“瘀毒互结”与河道淤堵、水体污染的发生发展过程,肿瘤治疗后机体正气的亏损与水系治理后生态环境的退化,均存在共同之“象”。水系治理的方针法则亦可类比运用于肿瘤“瘀毒”的治疗:河道之“淤”需顺水清淤,肿瘤“瘀毒”之“瘀”需化瘀通脉;水系污染需清污澄源,“瘀毒”之“毒”在解毒寻根;水系治理需重培土,“瘀毒”同治必重扶正;治水当按需制宜,治“瘀毒”应分期论治。[结论] “瘀毒互结”是肿瘤的一大核心病机,象思维是中医的原创思维,从“水象”视阈论证“瘀毒互结”病机,具有中医的原创特色。  相似文献   
2.
IntroductionThe aim of this pilot study was to implement a peer review programme to evaluate MRI images and protocols, with the goal of improving quality and standardising protocols.MethodA plan-do-check-act method of action research was adopted. A checklist was designed and two radiographers scored the images (Optimal, Diagnostic or Suboptimal). A sample of five Lumbar Spine examinations were selected and reviewed on two separate occasions, one month apart. A consultant radiologist also scored the selected examinations.ResultsThere was excellent intra-rater reliability for both observers. At first assessment, Cohen's weighted Kappa analysis indicated moderate inter-rater agreement (0.457) rising to substantial agreement (0.606) at second assessment. Variations in sequence parameter settings by the radiographers were noted. Feedback via educational sessions were implemented and enhancement of protocols were made.ConclusionsRadiographers manipulate many parameters during MRI examinations, and image quality can be degraded if sequences are not optimised. This may lead to misinterpretation.Initial results suggest peer review can result in improved image quality, better protocols, and improved staff confidence.There are opportunity costs involved in releasing staff from clinical work and time and resources required for image appraisal training, however we suggest this model can be extended to other departments and modalities as a healthcare improvement initiative.Implications for practiceInitial results suggest peer review processes performed by radiographers can result in improvement to protocols and image quality in MRI. With appropriate training, radiographers can implement and undertake appraisal of image quality in MRI as part of clinical governance. The purpose of feedback must be made clear, and good professional relationships should be forged to allow candid and supportive feedback with a focus on development and education.  相似文献   
3.
4.
BackgroundEvidence suggests that stars in an organization, including academia, drive much of its productivity and reputation. There has been much said within academic pharmacy about recruitment, but little in regard to retaining its top faculty.ObjectiveTo identify perceptions among pharmacy faculty on how faculty are currently rewarded; what is done versus what should be done at their institution to recruit and retain star faculty; what is versus what should be done in developing faculty, and compare these perceptions across certain personal and work characteristics.MethodsA questionnaire survey designed in Qualtrics was distributed via email to a census sample of 3378 members comprising 2018 AACP list-servs. Faculty activities and organization actions were derived from literatures and pilot testing. Frequency distributions and Kruskal-Wallis tests were conducted to describe the data.ResultsResponses from 463 faculty indicated scholarly publishing as paramount for receipt of organizational rewards. They indicated that their organizations very infrequently employed action to retain star faculty. They indicated that more should be done to retain stars, and this was largely agreed upon by those in supervisory positions, even though there were a few differences between supervisors and non-supervisors over what is already being done. While there were differences in perception primarily by respondent institution type, there were many more similarities than differences of opinion about actions taken and that should be taken to retain star faculty.ConclusionsPharmacy faculty affirmed the salience of scholarly productivity in the allocation of organizational rewards and indicated that certain activities like high-quality clinical practice and good citizenship behaviors were less likely to result in recognition. The results offer considerations for faculty retention strategies and the need for administrators to communicate actions taken to retain star faculty.  相似文献   
5.
ABSTRACT

Drawing on ethnographic fieldwork conducted in Senegal between 2010 and 2011, I demonstrate how health professionals have deployed indicators such as number of women and abortion type treated in government hospitals to demonstrate commitment to global mandates on reproductive rights. These indicators obscure discrimination against women suspected of illegal abortion as health workers negotiate obstetric treatment with the abortion law. By measuring hospitals’ capacity to keep women with abortion complications alive, post-abortion care (PAC) indicators have normalized survival as a state of reproductive well-being.  相似文献   
6.
Applications of biomedical R&D currently imply substantial societal concerns. This paper explores, based on semi‐structured interviews with scientists in Norway, how biomedical researchers experience and tackle such concerns in their daily work. It shows how ritualised routine responses to dislocatory moments help maintain order in the daily work of the interviewed scientists; they do not address directly but instead smooth over concerns by a ritualised way of using ethics. This may foreclose substantive reflection and function as a stabiliser for ‘business as usual’. Overall, the current way of responding to concerns as described by the interviewees may contribute to a depoliticisation of important issues. The paper contributes to sociological work on ethics by linking it to recent discussions on Responsible Research and Innovation (RRI) and by the empirical research presented. The insights can also help improve science policies such as RRI.  相似文献   
7.
ABSTRACT

Each year, over 600 youth under the age of 25 experience literal homelessness in Austin, Texas. Of these youth, 76% have a history of involvement with foster care or the juvenile justice system—far exceeding the rates of system involvement observed among homeless youth in other large communities in the United States (approximately 54%; Voices of Youth Count, 2017). Recently, Austin was selected by the U.S. Department of Housing & Urban Development as one of ten communities nationwide to participate in the Youth Homelessness Demonstration Program (YHDP), a federal initiative designed to effectively end youth homelessness by 2020. Youth with lived experience are central players in the development and implementation of Austin's response to the youth homelessness crisis. A group of twelve of these youth (the “Austin Youth Collective to End Youth Homelessness,” or AYC) serve as key decision-making partners within the Austin YHDP team. Representatives of the AYC are deeply involved at every level of the community planning process, from the development of youth-centric housing options to system redesign efforts to ensure that youth do not exit the foster care or juvenile justice systems to homelessness. The article provides an overview of the development and contributions of the AYC—including their programmatic recommendations and advocacy work—as well as key recommendations for communities looking to leverage youth voice at the systems level.  相似文献   
8.
目的研制精准型乳腺标本收集器,提高乳腺麦默通微创旋切手术标本收集效果。方法将乳腺中心行乳腺麦默通微创旋切手术患者60例随机分为观察组与对照组各30例,观察组使用自制的精准型乳腺标本收集器收集术中乳腺肿物标本,对照组使用普通弯盘收集乳腺肿物标本,观察并统计两组手术时间、标本核对次数、术后标本处理时间及标本点位对应位置错误率。结果观察组手术时间、标本核对次数及术后标本处理时间显著低于对照组(均P 0. 05);术后标本点位对应位置错误率低于对照组,但差异无统计学意义。结论精准型标本收集器能精准收集乳腺标本组织,减少术后标本处理时间及标本点位对应放置的错误率,帮助术者便利、安全地处理手术标本,提高工作效率,降低安全隐患。  相似文献   
9.
Clinical governance is a key policy and organisational foundation for health care quality improvement. This study sought to measure progress with clinical governance development from the perspective of practicing medical professionals in the New Zealand public health system. A short fixed-response survey, with questions derived from a government policy statement, was sent in 2012 and 2017 to all registered medical professionals in ongoing employment in New Zealand’s public health system. Respondents, therefore, worked across New Zealand’s 20 District Health Boards (DHBs), which own and manage public hospital and health care services. The survey sought to gauge medical professionals’ perspectives around performance on, and implementation of, key clinical governance components. The overall performance in clinical governance development declined or stalled between the two survey periods across eight out of 10 key survey questions. There were improvements on two questions relating to respondent familiarity with clinical governance concepts, and to management support for clinical leadership development, but no change in areas such as having a structure to support clinical governance, or working in partnership with management. Limited government and DHB policy attention to clinical governance may well have contributed to stalled development across the New Zealand health system. If so, this finding has lessons for other countries and health systems in which there has been varying government support for the clinical governance agenda with ramifications around expectations for clinical leadership on, and involvement in, quality improvement.  相似文献   
10.
目的 了解重庆市城口县医务人员对远程医疗的使用意愿及影响因素,为贫困地区远程医疗服务工作的开展及远程医疗协作网络建设提供决策参考。方法 采用多阶段分层抽样,在已开展远程医疗服务的重庆市城口县医疗机构中抽取153名医务人员进行问卷调查。结果 该县有75.8%的医生认为了解远程医疗,使用意愿为71.2%,使用率为47.1%。单因素分析结果显示不同年龄、文化程度、职称、是否使用过远程医疗、对远程医疗了解情况、使用远程医疗方便程度、远程医疗对诊疗工作帮助程度、远程医疗对临床技能提升程度、降低患者医疗费用程度的使用意愿不同,差异具有统计学意义(P<0.05);多因素logistic回归分析结果显示年龄、文化程度、使用远程医疗服务方便程度、远程医疗对诊疗工作帮助程度、降低患者医疗费用程度是医生远程医疗使用意愿的影响因素。结论 重庆市城口县医生远程医疗使用意愿有待提高,应加强远程医疗服务机制体制建设,提高医生远程医疗使用意愿。  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