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   4774篇
  免费   302篇
  国内免费   63篇
耳鼻咽喉   14篇
儿科学   82篇
妇产科学   43篇
基础医学   166篇
口腔科学   90篇
临床医学   523篇
内科学   341篇
皮肤病学   61篇
神经病学   93篇
特种医学   44篇
外国民族医学   1篇
外科学   204篇
综合类   766篇
一般理论   1篇
预防医学   682篇
眼科学   48篇
药学   1675篇
  11篇
中国医学   209篇
肿瘤学   85篇
  2024年   6篇
  2023年   83篇
  2022年   139篇
  2021年   206篇
  2020年   220篇
  2019年   247篇
  2018年   207篇
  2017年   135篇
  2016年   116篇
  2015年   139篇
  2014年   369篇
  2013年   356篇
  2012年   347篇
  2011年   349篇
  2010年   300篇
  2009年   263篇
  2008年   225篇
  2007年   271篇
  2006年   214篇
  2005年   175篇
  2004年   107篇
  2003年   84篇
  2002年   72篇
  2001年   56篇
  2000年   49篇
  1999年   44篇
  1998年   30篇
  1997年   21篇
  1996年   19篇
  1995年   15篇
  1994年   15篇
  1993年   4篇
  1992年   10篇
  1991年   11篇
  1990年   9篇
  1989年   3篇
  1987年   3篇
  1986年   8篇
  1985年   25篇
  1984年   81篇
  1983年   16篇
  1982年   22篇
  1981年   22篇
  1980年   15篇
  1979年   6篇
  1978年   7篇
  1977年   6篇
  1976年   2篇
  1975年   6篇
  1974年   2篇
排序方式: 共有5139条查询结果,搜索用时 15 毫秒
1.
2.
BackgroundTotal hip and knee arthroplasties are increasingly performed operations, and routine follow-up places huge demands on orthopedic services. This study investigates the effectiveness, patients’ satisfaction, and cost reduction of Virtual Joint Replacement Clinic (VJRC) follow-up of total hip arthroplasty and total knee arthroplasty patients in a university hospital. VJRC is especially valuable when in-person appointments are not advised or feasible such as during the COVID-19 pandemic.MethodsA total of 1749 patients who were invited for VJRC follow-up for knee or hip arthroplasty from January 2017 to December 2018 were included in this retrospective study. Patients were referred to VJRC after their 6-week postoperative review. Routine VJRC postoperative review was undertaken at 1 and 7 years and then 3-yearly thereafter. We evaluated the VJRC patient response rate, acceptability, and outcome. Patient satisfaction was measured in a subgroup of patients using a satisfaction survey. VJRC costs were calculated compared to face-to-face follow-up.ResultsThe VJRC had a 92.05% overall response rate. Only 7.22% required further in-person appointments with only 3% being reviewed by an orthopedic consultant. VJRC resulted in an estimated saving of £42,644 per year at our institution. The patients’ satisfaction survey showed that 89.29% of the patients were either satisfied or very satisfied with VJRC follow-up.ConclusionVJRC follow-up for hip and knee arthroplasty patients is an effective alternative to in-person clinic assessment which is accepted by patients, has high patient satisfaction, and can reduce the cost to both health services and patients.  相似文献   
3.
4.
Disseminating research findings from global health collaborations is essential to advancing science. However, there are a number of ethical considerations and potential challenges to address to ensure thoughtful and non-exploitative reporting. The factors include the benefits and risks to publication, authorship criteria or values, and the accessibility of forums or journals in which to pursue publication. This paper provides commentary related to planning for writing, communicating intentions to publish, obtaining permissions to publish, risks in internationally collaborative work, authorship principles, and journal selection. Authors' and editors’ knowledge of experienced individuals from both pharmacy literature, medical fields, and general publications is incorporated to provide an assessment of risks and benefits of publication of international global health research.  相似文献   
5.

Introduction

The nature of community pharmacy is changing, shifting from the preparation and distribution of medicines to the provision of cognitive pharmaceutical services (CPS); however, often the provision of traditional services leaves little time for innovative services. This study investigated the time community pharmacists spend on the tasks and activities of daily practice and to what extent they are able to implement CPS-related services in daily practice.

Methods

Self-reporting work sampling was used to register the activities of community pharmacists. A smartphone application, designed specifically for this purpose, alerted participants to register their current activity five times per working day for 6 weeks. Participants also completed an online survey about baseline characteristics.

Results

Ninety-one Dutch community pharmacists provided work-sampling data (7848 registered activities). Overall, 51.5% of their time was spent on professional activities, 35.4% on semi-professional activities, and 13.1% on non-professional activities. The proportion of time devoted to CPS decreased during the workweek, whereas the time spent on traditional task increased.

Discussion and conclusion

This study shows it is feasible to collect work-sampling data using smartphone technology. Community pharmacists spent almost half of their time on semi-professional and non-professional activities, activities that could be delegated to other staff members. In practice, the transition to CPS is hampered by competing traditional tasks, which prevents community pharmacists from profiling themselves as pharmaceutical experts in daily practice.  相似文献   
6.
7.
内听动脉闭塞综合征的临床与发病机理   总被引:1,自引:0,他引:1  
目的:探讨内听动脉闭塞综合征的临床与发病机理。方法:分析24例患者年龄、性别及所伴发疾病如高血压病、糖尿病、冠心痛及椎-基底动脉供血不足等。结果:50岁以上,有高血压病、冠心病、糖尿病、椎-基底动脉供血不足者内听动脉闭塞发病明显增加。结论:高血压病、冠心病、糖尿病、椎基底动脉供血不足是内听动脉闭塞综合征的主要危险因素。  相似文献   
8.
[目的]结合文献探讨骨旁脂肪瘤的命名、病因、临床病理表现和影像学特点。[方法]将国内文献的20例一起列入临床资料分析,包括作者14例共34例术前均行X线摄片,18例行CT检查,4例行MRI检查。[结果]本病发生于任何年龄,成人多见,以四肢长管状骨为好发,其次发生于扁平骨(骨盆、肩岬骨、髌骨、肋骨)、不规则骨(胸椎、腰椎、骶尾椎)、短管状骨和跗骨;本病临床误诊率为41.17%,X线误诊率26.47%,CT及MRI诊断率100%;34例均手术切除,病理报告为脂肪瘤,3例低度恶变;随访2~10年,仅1例复发并恶变。[结论]骨旁脂肪瘤是最佳的命名,病因未明,但与遗传和先天因素及创伤和炎症因素有关;病理表现为带骨蒂的脂肪瘤,细胞学形态为脂肪组织;影像学具有特征性表现。  相似文献   
9.
目的探讨成人水痘的临床特点。方法分析20例成人水痘的临床特点,并与30例儿童水痘比较。结果患者出疹时间、皮疹分布区域、发热时间和并发症等,成人水痘都与儿童水痘不同。结论与儿童水痘相比较,成人水痘有自己的临床特点。  相似文献   
10.
Community pharmacists contribution to the management of drug problems is considerable. As the use of illicit drugs has increased, pharmacists have come under increasing pressure to offer services to problem drug users. However, there is concern among some pharmacists that offering such services may deter other customers. There is particular concern among some pharmacists about needle exchange services. Only 9.5% of Scottish pharmacies offer needle exchange services compared to 69% which are dispensing methadone (57% of which supervise methadone consumption). Qualitative interviews were used in a purposive sample of 10 pharmacies in Scotland. Eight customers were interviewed in each pharmacy to ascertain pharmacy customers’ views on these services. The majority of customers were supportive of these services. Customers were often unaware that the pharmacy they were interviewed in was offering services for people with drug problems. Pharmacy customers were more knowledgeable about, and more supportive, of needle exchange services than they were of methadone. This was because they believed needle exchange services helped to reduce the amount of discarded needles in public places. Pharmacy customers also recognised that needle exchange helped reduce the spread of disease. These findings should be used to encourage more pharmacists to offer needle exchange services.  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