收费全文 | 43915篇 |
免费 | 3072篇 |
国内免费 | 132篇 |
耳鼻咽喉 | 641篇 |
儿科学 | 1054篇 |
妇产科学 | 620篇 |
基础医学 | 6143篇 |
口腔科学 | 913篇 |
临床医学 | 4768篇 |
内科学 | 9246篇 |
皮肤病学 | 820篇 |
神经病学 | 4376篇 |
特种医学 | 1680篇 |
外国民族医学 | 15篇 |
外科学 | 6430篇 |
综合类 | 426篇 |
现状与发展 | 1篇 |
一般理论 | 16篇 |
预防医学 | 3078篇 |
眼科学 | 1109篇 |
药学 | 2893篇 |
中国医学 | 109篇 |
肿瘤学 | 2781篇 |
2022年 | 466篇 |
2021年 | 862篇 |
2020年 | 567篇 |
2019年 | 851篇 |
2018年 | 995篇 |
2017年 | 739篇 |
2016年 | 797篇 |
2015年 | 982篇 |
2014年 | 1246篇 |
2013年 | 1716篇 |
2012年 | 2628篇 |
2011年 | 2796篇 |
2010年 | 1447篇 |
2009年 | 1375篇 |
2008年 | 2268篇 |
2007年 | 2351篇 |
2006年 | 2195篇 |
2005年 | 2219篇 |
2004年 | 2036篇 |
2003年 | 1816篇 |
2002年 | 1885篇 |
2001年 | 976篇 |
2000年 | 962篇 |
1999年 | 898篇 |
1998年 | 481篇 |
1997年 | 427篇 |
1996年 | 334篇 |
1995年 | 305篇 |
1994年 | 255篇 |
1993年 | 234篇 |
1992年 | 597篇 |
1991年 | 598篇 |
1990年 | 563篇 |
1989年 | 508篇 |
1988年 | 530篇 |
1987年 | 478篇 |
1986年 | 485篇 |
1985年 | 448篇 |
1984年 | 357篇 |
1983年 | 277篇 |
1982年 | 236篇 |
1981年 | 224篇 |
1980年 | 213篇 |
1979年 | 300篇 |
1978年 | 237篇 |
1977年 | 229篇 |
1976年 | 200篇 |
1975年 | 200篇 |
1974年 | 224篇 |
1972年 | 191篇 |
Methods: Prospective cross-sectional study.
Results: Twenty-seven of 106 patients had positive PCR and/or GWC results on aqueous humor (AH) sampling and 15 of 27 (55.6%) were HIV-positive. Patients with non-anterior uveitis (NAU) were more likely to be HIV+ (p = 0.005). More than 1 possible pathogen was identified in 9 of 27 patients of whom 7 were HIV+. The final clinical diagnosis was discordant with AH findings in 9 of 27 cases. A positive EBV PCR result was associated with a discordant diagnosis (p = 0.001). All cases of herpetic anterior uveitis (42.9% HIV+) tested PCR-/GWC+ while all cases of herpetic NAU tested PCR+/GWC- (83.3% HIV+). All rubella virus cases were PCR+/GWC+.
Conclusion: PCR is useful to diagnose herpetic NAU in HIV+ patients while GWC is useful to diagnose herpetic anterior uveitis. 相似文献
Objective
The “Centre Hospitalier Francois Dunan” is located on an isolated island and ensures patients care in hemodialysis thanks to telemedicine support. Many research studies have demonstrated the importance of hemodialysis fluids composition to reduce morbidity in patients on chronic hemodialysis. The aim of this study was to identify the risks inherent in the production of dialysis fluids in a particular context, in order to set up an improvement action plan to improve risk control on the production of dialysis fluids.Methods
The risk analysis was conducted with the FMECA methodology (Failure Mode, Effects and Criticality Analysis) by a multi professional work group. Three types of risk have been reviewed: technical risks that may impact the production of hemodialysis fluids, health risks linked with chemical composition and health risks due to microbiological contamination of hemodialysis fluids.Results
The work group, in close cooperation with the expert staff of the dialysis center providing telemedicine assistance, has developed an action plan in order to improve the control of the main risks brought to light by the risk analysis.Conclusion
The exhaustive analysis of the risks and their prioritisation have permitted to establish a relevant action plan in this improving quality of dialysis fluids approach. The risk control of dialysis fluids is necessary for the security of dialysis sessions for patients, even more when these sessions are realized by telemedicine in Saint-Pierre-et-Miquelon. 相似文献![点击此处可从《Acta paediatrica (Oslo, Norway : 1992)》网站下载免费的PDF全文](/ch/ext_images/free.gif)
![点击此处可从《Journal of gastroenterology and hepatology》网站下载免费的PDF全文](/ch/ext_images/free.gif)