全文获取类型
| 收费全文 | 135123篇 |
| 免费 | 9450篇 |
| 国内免费 | 460篇 |
专业分类
| 耳鼻咽喉 | 1719篇 |
| 儿科学 | 3510篇 |
| 妇产科学 | 2307篇 |
| 基础医学 | 17377篇 |
| 口腔科学 | 2529篇 |
| 临床医学 | 14039篇 |
| 内科学 | 28287篇 |
| 皮肤病学 | 2054篇 |
| 神经病学 | 12881篇 |
| 特种医学 | 4755篇 |
| 外国民族医学 | 4篇 |
| 外科学 | 19702篇 |
| 综合类 | 2156篇 |
| 现状与发展 | 1篇 |
| 一般理论 | 186篇 |
| 预防医学 | 12359篇 |
| 眼科学 | 3066篇 |
| 药学 | 9550篇 |
| 3篇 | |
| 中国医学 | 185篇 |
| 肿瘤学 | 8363篇 |
出版年
| 2023年 | 529篇 |
| 2022年 | 753篇 |
| 2021年 | 2238篇 |
| 2020年 | 1335篇 |
| 2019年 | 2174篇 |
| 2018年 | 2514篇 |
| 2017年 | 1932篇 |
| 2016年 | 2133篇 |
| 2015年 | 2580篇 |
| 2014年 | 3677篇 |
| 2013年 | 5670篇 |
| 2012年 | 8277篇 |
| 2011年 | 8834篇 |
| 2010年 | 5011篇 |
| 2009年 | 4821篇 |
| 2008年 | 8458篇 |
| 2007年 | 9003篇 |
| 2006年 | 8801篇 |
| 2005年 | 9149篇 |
| 2004年 | 8685篇 |
| 2003年 | 8418篇 |
| 2002年 | 7958篇 |
| 2001年 | 1579篇 |
| 2000年 | 1317篇 |
| 1999年 | 1636篇 |
| 1998年 | 1858篇 |
| 1997年 | 1529篇 |
| 1996年 | 1280篇 |
| 1995年 | 1253篇 |
| 1994年 | 1042篇 |
| 1993年 | 1040篇 |
| 1992年 | 1048篇 |
| 1991年 | 966篇 |
| 1990年 | 895篇 |
| 1989年 | 864篇 |
| 1988年 | 796篇 |
| 1987年 | 743篇 |
| 1986年 | 730篇 |
| 1985年 | 840篇 |
| 1984年 | 954篇 |
| 1983年 | 969篇 |
| 1982年 | 1238篇 |
| 1981年 | 1121篇 |
| 1980年 | 1000篇 |
| 1979年 | 584篇 |
| 1978年 | 637篇 |
| 1977年 | 630篇 |
| 1976年 | 506篇 |
| 1975年 | 470篇 |
| 1974年 | 456篇 |
排序方式： 共有10000条查询结果，搜索用时 31 毫秒
1.
2.
Kara S. Tanaka MD Veronica R. Andaya BA Steven W. Thorpe MD Kenneth R. Gundle MD James B. Hayden MD Yee-Cheen Duong MD Raffi S. Avedian MD David G. Mohler MD Lee J. Morse MD Melissa N. Zimel MD Richard J. O'Donnell MD Andrew Fang MD Robert Lor Randall MD Tina H. Tran BS Christin New BA Rosanna L. Wustrack MD other members of Study Group FORCE 《Journal of surgical oncology》2023,127(1):148-158
3.
Breanne E. Kunstler Jill L. Cook Joanne L. Kemp Paul D. O’Halloran Caroline F. Finch 《Journal of Science and Medicine in Sport》2019,22(1):2-10
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4.
5.
6.
7.
8.
Osric A. Forrest Daniel M. Chopyk Yael Gernez Milton R. Brown Carol K. Conrad Richard B. Moss Vin Tangpricha Limin Peng Rabindra Tirouvanziam 《Journal of cystic fibrosis》2019,18(1):64-70
Background
Resistin is an immunometabolic mediator that is elevated in several inflammatory disorders. A ligand for Toll-like receptor 4, resistin modulates the recruitment and activation of myeloid cells, notably neutrophils. Neutrophils are major drivers of cystic fibrosis (CF) lung disease, in part due to the release of human neutrophil elastase- and myeloperoxidase-rich primary granules, leading to tissue damage. Here we assessed the relationship of resistin to CF lung disease.Methods
Resistin levels were measured in plasma and sputum from three retrospective CF cohorts spanning a wide range of disease. We also assessed the ability of neutrophils to secrete resistin upon activation in vitro. Finally, we constructed a multivariate model assessing the relationship between resistin levels and lung function.Results
Plasma resistin levels were only marginally higher in CF than in healthy control subjects. By contrast, sputum resistin levels were very high in CF, reaching 50–100 fold higher levels than in plasma. Among CF patients, higher plasma resistin levels were associated with allergic bronchopulmonary aspergillosis, and higher sputum resistin levels were associated with CF-related diabetes. Mechanistically, in vitro release of neutrophil primary granules was concomitant with resistin secretion. Overall, sputum resistin levels were negatively correlated with CF lung function, independently of other variables (age, sex, and genotype).Conclusions
Our data establish relationships between resistin levels in the plasma and sputum of CF patients that correlate with disease status, and identify resistin as a novel mechanistic link between neutrophilic inflammation and lung disease in CF. 相似文献9.