全文获取类型
收费全文 | 31176篇 |
免费 | 6895篇 |
国内免费 | 137篇 |
专业分类
耳鼻咽喉 | 700篇 |
儿科学 | 1174篇 |
妇产科学 | 985篇 |
基础医学 | 1861篇 |
口腔科学 | 2779篇 |
临床医学 | 5256篇 |
内科学 | 7008篇 |
皮肤病学 | 659篇 |
神经病学 | 2756篇 |
特种医学 | 1237篇 |
外科学 | 4915篇 |
综合类 | 235篇 |
现状与发展 | 12篇 |
一般理论 | 4篇 |
预防医学 | 4013篇 |
眼科学 | 482篇 |
药学 | 923篇 |
中国医学 | 23篇 |
肿瘤学 | 3186篇 |
出版年
2024年 | 171篇 |
2023年 | 1173篇 |
2022年 | 497篇 |
2021年 | 934篇 |
2020年 | 1422篇 |
2019年 | 767篇 |
2018年 | 1684篇 |
2017年 | 1534篇 |
2016年 | 1713篇 |
2015年 | 1855篇 |
2014年 | 2324篇 |
2013年 | 2876篇 |
2012年 | 1518篇 |
2011年 | 1416篇 |
2010年 | 1720篇 |
2009年 | 2230篇 |
2008年 | 1237篇 |
2007年 | 997篇 |
2006年 | 1122篇 |
2005年 | 958篇 |
2004年 | 776篇 |
2003年 | 717篇 |
2002年 | 637篇 |
2001年 | 571篇 |
2000年 | 455篇 |
1999年 | 555篇 |
1998年 | 610篇 |
1997年 | 551篇 |
1996年 | 619篇 |
1995年 | 445篇 |
1994年 | 363篇 |
1993年 | 311篇 |
1992年 | 305篇 |
1991年 | 274篇 |
1990年 | 242篇 |
1989年 | 255篇 |
1988年 | 238篇 |
1987年 | 224篇 |
1986年 | 194篇 |
1985年 | 170篇 |
1984年 | 133篇 |
1983年 | 138篇 |
1982年 | 117篇 |
1981年 | 97篇 |
1980年 | 82篇 |
1979年 | 86篇 |
1978年 | 81篇 |
1977年 | 80篇 |
1976年 | 71篇 |
1974年 | 62篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
2.
Karl Johnson Katherine W. Saylor Isabella Guynn Karen Hicklin Jonathan S. Berg Kristen Hassmiller Lich 《Genetics in medicine》2022,24(2):262-288
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
3.
Jasmine Poonian Nicola Walsham Thomas Kilner Elizabeth Bradbury Kristen Brooks Emma West 《Emergency medicine Australasia : EMA》2020,32(4):700-702
Emergency Medicine staff in Australia and New Zealand are at the forefront of the healthcare response to COVID‐19. This article describes a well‐being plan for ED staff that has been devised to mitigate against the negative psychological impact of the COVID‐19 pandemic. 相似文献
4.
5.
Maaike van Gerwen MD Naomi Alpert MS Raja Flores MD Emanuela Taioli MD PhD 《American journal of industrial medicine》2020,63(2):115-120
The association between asbestos exposure, mainly in occupational settings, and malignant mesothelioma has been well established; this has prompted several countries to establish mesothelioma epidemiologic surveillance programs often at the request of national agencies. This review compares currently existing mesothelioma registries worldwide to develop a concept model for a US real-time case capture mesothelioma registry. Five countries were identified with a mesothelioma specific registry, including Italy, France, UK, Australia, and South Korea. All, except the UK, used interviews to collect exposure data. Linkage with the national death index was available or was in future plans for all registries. The registries have limited information on treatment, quality of life, and other patient-centered outcomes such as symptoms and pain management. To thoroughly collect exposure data, “real-time” enrollment is preferable; to maximize the capture of mesothelioma cases, optimal coverage, and a simplified consent process are needed. 相似文献
6.
Chie Teramoto PHN RN MS Satoko Nagata PhD PHN RN Reiko Okamoto PhD PHN RN Ruriko Suzuki PHN RN MS Emiko Kishi PhD PHN RN Michie Nomura DSN PHN RN Noriko Jojima PHN RN MS Masumi Nishida PhD PHN RN Keiko Koide PhD PHN RN Emiko Kusano PhD PHN RN Saori Iwamoto PhD PHN RN Sachiyo Murashima PhD PHN RN 《Public health nursing (Boston, Mass.)》2015,32(6):654-661
7.
8.
9.
10.