全文获取类型
收费全文 | 5438篇 |
免费 | 523篇 |
国内免费 | 61篇 |
专业分类
耳鼻咽喉 | 96篇 |
儿科学 | 267篇 |
妇产科学 | 177篇 |
基础医学 | 873篇 |
口腔科学 | 74篇 |
临床医学 | 825篇 |
内科学 | 1101篇 |
皮肤病学 | 77篇 |
神经病学 | 327篇 |
特种医学 | 207篇 |
外国民族医学 | 2篇 |
外科学 | 553篇 |
综合类 | 87篇 |
一般理论 | 12篇 |
预防医学 | 589篇 |
眼科学 | 61篇 |
药学 | 387篇 |
中国医学 | 4篇 |
肿瘤学 | 303篇 |
出版年
2022年 | 42篇 |
2021年 | 88篇 |
2020年 | 48篇 |
2019年 | 77篇 |
2018年 | 100篇 |
2017年 | 64篇 |
2016年 | 90篇 |
2015年 | 97篇 |
2014年 | 98篇 |
2013年 | 138篇 |
2012年 | 210篇 |
2011年 | 230篇 |
2010年 | 135篇 |
2009年 | 123篇 |
2008年 | 255篇 |
2007年 | 266篇 |
2006年 | 218篇 |
2005年 | 204篇 |
2004年 | 224篇 |
2003年 | 201篇 |
2002年 | 189篇 |
2001年 | 189篇 |
2000年 | 212篇 |
1999年 | 156篇 |
1998年 | 93篇 |
1997年 | 67篇 |
1996年 | 65篇 |
1995年 | 61篇 |
1994年 | 60篇 |
1993年 | 64篇 |
1992年 | 145篇 |
1991年 | 139篇 |
1990年 | 132篇 |
1989年 | 135篇 |
1988年 | 118篇 |
1987年 | 110篇 |
1986年 | 104篇 |
1985年 | 116篇 |
1984年 | 68篇 |
1983年 | 65篇 |
1982年 | 45篇 |
1981年 | 46篇 |
1979年 | 68篇 |
1978年 | 58篇 |
1977年 | 57篇 |
1976年 | 43篇 |
1975年 | 40篇 |
1974年 | 66篇 |
1973年 | 44篇 |
1970年 | 41篇 |
排序方式: 共有6022条查询结果,搜索用时 15 毫秒
1.
Intracranial venous thrombosis has been described in newborns, but there have been no reports of intractable neonatal seizures due to this condition. We report cortical venous sinus thrombosis in two term neonates who presented with seizures in the first 24 hours of life. The diagnosis was made by cranial computed tomography and was confirmed by cerebral angiography. Both patients improved clinically after the intracranial venous thrombosis resolved. These patients demonstrate that intracranial venous thrombosis should be considered in the differential diagnosis of neonatal seizures. 相似文献
2.
Allergic autoimmune reaction after exposure to heavy metals such as mercury may play a causal role in autism, a developmental disorder of the central nervous system. As metallothionein (MT) is the primary metal-detoxifying protein in the body, we conducted a study of the MT protein and antibodies to metallothionein (anti-MT) in normal and autistic children whose exposure to mercury was only from thimerosal-containing vaccines. Laboratory analysis by immunoassays revealed that the serum level of MT did not significantly differ between normal and autistic children. Furthermore, autistic children harboured normal levels of anti-MT, including antibodies to isoform MT-I (anti-MT-I) and MT-II (anti-MT-II), without any significant difference between normal and autistic children. Our findings indicate that because autistic children have a normal profile of MT and anti-MT, the mercury-induced autoimmunity to MT may not be implicated in the pathogenesis of autism. 相似文献
3.
4.
5.
Joyce J. Fitzpatrick Sheila Ryan DeWitt Baldwin Roger Bulger Jean Johnson-Pawlson Christopher McLaughlin Maureen Kelley Leopold Selketr Bernardine Lacey Charlene Hanson Robin Harvan Patricia Hinton Walker David Sluyter Mary Joan Ladden Neal Vanselow 《Journal of Midwifery & Women's Health》1998,43(1):61-65
In 1995, the National League for Nursing commissioned a Panel on Interdisciplinary/Transdisciplinary Education. The focus of the Panel's work was to examine educational issues that transcend the health professions and to make recommendations for future implementation of an interdisciplinary approach to addressing them. This article is being simultaneously published by several professional journals. The goal is to seek as much feedback as possible. 相似文献
6.
7.
8.
9.
肱骨干骨折--髓内钉与钢板固定的比较 总被引:1,自引:1,他引:0
MohidBhandari JosephR BeateP.Hanson DanC.Norvell 《中华创伤骨科杂志》2004,6(6):676-680
总体而言,这些报道提示:采用髓内钉治疗肱骨干骨折较采用钢板带来更多的并发症,尤其是采用顺行人路。同时,这些报道没有提供确切的证据证明何种方法在骨折愈合、减少感染或上肢总体功能上优于另一种。 相似文献
10.
P Hanson P Schumacker T Debugne M Clerin 《American journal of physical medicine & rehabilitation / Association of Academic Physiatrists》1992,71(1):44-47
The relationship between somatic and autonomic neuropathy was assessed in the feet of 30 diabetic patients. Somatic small fiber function was evaluated by the thermal threshold test for cold (A delta fibers) and warmth (C fibers). Telethermography and transcutaneous oxygen tension were used to investigate the autonomic control of peripheral circulation. Autonomic neuropathy caused the opening of arteriovenous anastomosis, which was revealed through an elevation of the feet's temperature and a low transcutaneous oxygen tension. The association of the opening of the arteriovenous anastomosis and the perturbation of the thermal threshold test established a relationship between the dysfunction of the autonomic and the somatic fibers. 相似文献