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   141457篇
  免费   9402篇
  国内免费   587篇
耳鼻咽喉   1559篇
儿科学   3991篇
妇产科学   2525篇
基础医学   19549篇
口腔科学   2650篇
临床医学   14040篇
内科学   29365篇
皮肤病学   1879篇
神经病学   13662篇
特种医学   4875篇
外国民族医学   1篇
外科学   20415篇
综合类   1786篇
现状与发展   1篇
一般理论   160篇
预防医学   11702篇
眼科学   3892篇
药学   9968篇
  1篇
中国医学   340篇
肿瘤学   9085篇
  2023年   627篇
  2022年   1132篇
  2021年   2650篇
  2020年   1576篇
  2019年   2708篇
  2018年   3151篇
  2017年   2331篇
  2016年   2735篇
  2015年   3125篇
  2014年   4476篇
  2013年   6327篇
  2012年   9491篇
  2011年   10124篇
  2010年   5651篇
  2009年   5268篇
  2008年   9034篇
  2007年   9584篇
  2006年   9160篇
  2005年   9213篇
  2004年   8567篇
  2003年   7951篇
  2002年   7679篇
  2001年   1371篇
  2000年   1029篇
  1999年   1406篇
  1998年   1649篇
  1997年   1387篇
  1996年   1103篇
  1995年   1100篇
  1994年   930篇
  1993年   912篇
  1992年   761篇
  1991年   691篇
  1990年   614篇
  1989年   558篇
  1988年   578篇
  1987年   539篇
  1986年   483篇
  1985年   571篇
  1984年   647篇
  1983年   591篇
  1982年   792篇
  1981年   693篇
  1980年   594篇
  1979年   423篇
  1978年   403篇
  1977年   413篇
  1976年   343篇
  1975年   307篇
  1974年   327篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
PurposeUnderstanding the value of genetic screening and testing for monogenic disorders requires high-quality, methodologically robust economic evaluations. This systematic review sought to assess the methodological quality among such studies and examined opportunities for improvement.MethodsWe searched PubMed, Cochrane, Embase, and Web of Science for economic evaluations of genetic screening/testing (2013-2019). Methodological rigor and adherence to best practices were systematically assessed using the British Medical Journal checklist.ResultsAcross the 47 identified studies, there were substantial variations in modeling approaches, reporting detail, and sophistication. Models ranged from simple decision trees to individual-level microsimulations that compared between 2 and >20 alternative interventions. Many studies failed to report sufficient detail to enable replication or did not justify modeling assumptions, especially for costing methods and utility values. Meta-analyses, systematic reviews, or calibration were rarely used to derive parameter estimates. Nearly all studies conducted some sensitivity analysis, and more sophisticated studies implemented probabilistic sensitivity/uncertainty analysis, threshold analysis, and value of information analysis.ConclusionWe describe a heterogeneous body of work and present recommendations and exemplar studies across the methodological domains of (1) perspective, scope, and parameter selection; (2) use of uncertainty/sensitivity analyses; and (3) reporting transparency for improvement in the economic evaluation of genetic screening/testing.  相似文献   
2.
3.
4.
We report a case of benign lymphoplasmacytic plaque (LPP) in a child. These asymptomatic erythematous papulonodular lesions are an emerging clinicopathological entity. Herein, we describe a previously unreported site for LPP lesions, namely, the volar wrist and the distal ipsilateral palm.  相似文献   
5.

Objectives

To determine: (i) the behaviour change techniques used by a sample of Australian physiotherapists to promote non-treatment physical activity; and (ii) whether those behaviour change techniques are different to the techniques used to encourage adherence to rehabilitation exercises.

Design

Cross-sectional survey.

Method

An online self-report survey was advertised to private practice and outpatient physiotherapists treating patients with musculoskeletal conditions. The use of 50 behaviour change techniques were measured using five-point Likert-type scale questions.

Results

Four-hundred and eighty-six physiotherapists responded to the survey, with 216 surveys fully completed. Most respondents (85.1%) promoted non-treatment physical activity often or all of the time. Respondents frequently used 29 behaviour change techniques to promote non-treatment physical activity or encourage adherence to rehabilitation exercises. A similar number of behaviour change techniques was frequently used to encourage adherence to rehabilitation exercises (n = 28) and promote non-treatment physical activity (n = 26). Half of the behaviour change techniques included in the survey were frequently used for both promoting non-treatment physical activity and encouraging adherence to rehabilitation exercises (n = 25). Graded tasks was the most, and punishment was the least, frequently reported technique used to promote non-treatment physical activity and encourage adherence to rehabilitation exercises.

Conclusions

Respondents reported using similar behaviour change techniques to promote non-treatment physical activity and encourage adherence to rehabilitation exercises. The variability in behaviour change technique use suggests the behaviour the physiotherapist is promoting influences their behaviour change technique choice. Including the frequently-used behaviour change techniques in non-treatment physical activity promotion interventions might improve their efficacy.  相似文献   
6.
7.
8.
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