全文获取类型
收费全文 | 695篇 |
免费 | 29篇 |
国内免费 | 9篇 |
专业分类
耳鼻咽喉 | 4篇 |
儿科学 | 21篇 |
妇产科学 | 7篇 |
基础医学 | 56篇 |
口腔科学 | 15篇 |
临床医学 | 61篇 |
内科学 | 135篇 |
皮肤病学 | 9篇 |
神经病学 | 15篇 |
特种医学 | 103篇 |
外科学 | 226篇 |
综合类 | 36篇 |
预防医学 | 17篇 |
眼科学 | 4篇 |
药学 | 4篇 |
肿瘤学 | 20篇 |
出版年
2018年 | 3篇 |
2017年 | 4篇 |
2015年 | 10篇 |
2014年 | 5篇 |
2013年 | 8篇 |
2011年 | 9篇 |
2010年 | 20篇 |
2009年 | 18篇 |
2008年 | 8篇 |
2007年 | 15篇 |
2006年 | 16篇 |
2005年 | 5篇 |
2004年 | 16篇 |
2003年 | 4篇 |
2002年 | 5篇 |
2001年 | 9篇 |
2000年 | 6篇 |
1999年 | 12篇 |
1998年 | 27篇 |
1997年 | 29篇 |
1996年 | 39篇 |
1995年 | 21篇 |
1994年 | 16篇 |
1993年 | 22篇 |
1992年 | 4篇 |
1991年 | 9篇 |
1990年 | 10篇 |
1989年 | 16篇 |
1988年 | 20篇 |
1987年 | 13篇 |
1986年 | 19篇 |
1985年 | 35篇 |
1984年 | 27篇 |
1983年 | 40篇 |
1982年 | 52篇 |
1981年 | 42篇 |
1980年 | 7篇 |
1978年 | 9篇 |
1977年 | 9篇 |
1976年 | 8篇 |
1975年 | 15篇 |
1974年 | 7篇 |
1973年 | 9篇 |
1972年 | 6篇 |
1971年 | 6篇 |
1970年 | 3篇 |
1969年 | 3篇 |
1968年 | 5篇 |
1967年 | 6篇 |
1966年 | 3篇 |
排序方式: 共有733条查询结果,搜索用时 0 毫秒
681.
JKS Parihar SM RP Gupta PK Sahoo RP Misra DP Vats SM VSM AP Kamath FEA Rodrigues 《Medical Journal Armed Forces India》2005,61(2):139-142
Background
To evaluate and compare efficacy and outcome after single site phacotrabeculectomy and conventional combined surgery in cases of coexisting primary open angle glaucoma and cataract.Methods
This prospective study on fifty patients of concurrent primary open angle glaucoma and cataract, who had undergone combined surgery as single site phacotrabeculectomy or conventional single site trabeculectomy with extracapsular lens extraction with IOL implantation in 25 cases each. Evaluation was based on operative and postoperative complications, control of IOP and visual outcome. The follow up period ranged between twelve months to eighteen months.Results
The mean medically controlled preoperative intraocular pressure was 22 mm of Hg (Range 18 to 35 mm of Hg) by applanation method of tonometry. The range of postoperative intra-ocular pressure after one year was 11 to 22 mm of Hg in first and 14 to 26 mm Hg in second group. Failure to maintain optimum postoperative IOP without Beta-blocker was more frequent after conventional combined procedure. There was no significant difference in incidence and pattern of postoperative complications.Conclusion
Phacotrabeculectomy provides effective and sustained visual recovery and adequate control of intraocular pressure as compare to conventional combined procedure.Key Words: Phacotrabeculectomy, Comparison with conventional combined procedure 相似文献682.
683.
684.
685.
686.
A fluoroscopically guided anterior approach to celiac plexus block was developed that can be performed on the supine patient during a percutaneous biliary procedure. Unlike posterior blocks, anterior blocks can be performed at any time during the procedure and thus can be reserved for the few patients whose pain does not respond to intravenously administered narcotics. Anterior blocks were performed 18 times in 14 patients; satisfactory visceral anesthesia was achieved in ten of the 18 procedures. 相似文献
687.
Lipid peroxidation in stored red cells 总被引:1,自引:0,他引:1
Lipid peroxidation is initiated by the production of oxygen-free radicals; it is increased in a wide variety of diseases, including various hemolytic anemias, and in hemoglobin disorders. Increased lipid peroxidation occurs in red cells in the presence of reactive iron species and some heme moieties. In this study, greatly reduced concentrations of malondialdehyde, an indicator of lipid peroxidation, were observed in stored blood upon the addition of both deferoxamine mesylate and diethylenetriaminepentaacetic acid (p less than 0.001). The antioxidant glutathione was much less effective (p less than 0.01 or less than 0.05, depending on incubation time). On the other hand, the addition of dimercaptosuccinic acid and ascorbic acid both significantly increased malondialdehyde production over controls (p less than 0.001 and p less than 0.05, respectively). Ascorbic acid, in the presence of deferoxamine mesylate, added no red cell protection over that of deferoxamine mesylate alone. The addition of metal chelators and, possibly, certain antioxidants to stored blood may be effective in increasing the viability and longevity of transfused red cells. 相似文献
688.
689.
690.