首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   5239篇
  免费   274篇
  国内免费   22篇
耳鼻咽喉   99篇
儿科学   208篇
妇产科学   58篇
基础医学   591篇
口腔科学   106篇
临床医学   435篇
内科学   1259篇
皮肤病学   200篇
神经病学   408篇
特种医学   196篇
外科学   917篇
综合类   62篇
预防医学   206篇
眼科学   123篇
药学   402篇
中国医学   18篇
肿瘤学   247篇
  2023年   36篇
  2022年   86篇
  2021年   211篇
  2020年   115篇
  2019年   148篇
  2018年   162篇
  2017年   116篇
  2016年   163篇
  2015年   183篇
  2014年   280篇
  2013年   331篇
  2012年   476篇
  2011年   476篇
  2010年   264篇
  2009年   214篇
  2008年   327篇
  2007年   309篇
  2006年   259篇
  2005年   274篇
  2004年   268篇
  2003年   236篇
  2002年   189篇
  2001年   28篇
  2000年   26篇
  1999年   27篇
  1998年   37篇
  1997年   42篇
  1996年   29篇
  1995年   30篇
  1994年   22篇
  1993年   15篇
  1992年   13篇
  1991年   9篇
  1990年   7篇
  1989年   9篇
  1988年   5篇
  1987年   8篇
  1985年   10篇
  1984年   12篇
  1983年   5篇
  1982年   10篇
  1981年   9篇
  1980年   4篇
  1979年   12篇
  1978年   11篇
  1977年   8篇
  1975年   3篇
  1973年   3篇
  1967年   3篇
  1964年   2篇
排序方式: 共有5535条查询结果,搜索用时 15 毫秒
81.
Chronic paronychia is an inflammatory disorder of the nail folds of a toe or finger presenting as redness, tenderness, and swelling. It is recalcitrant dermatoses seen commonly in housewives and housemaids. It is a multifactorial inflammatory reaction of the proximal nail fold to irritants and allergens. Repeated bouts of inflammation lead to fibrosis of proximal nail fold with poor generation of cuticle, which in turn exposes the nail further to irritants and allergens. Thus, general preventive measures form cornerstone of the therapy. Though previously anti-fungals were the mainstay of therapy, topical steroid creams have been found to be more effective in the treatment of chronic paronychia. In recalcitrant cases, surgical treatment may be resorted to, which includes en bloc excision of the proximal nail fold or an eponychial marsupialization, with or without nail plate removal. Newer therapies and surgical modalities are being employed in the management of chronic paronychia. In this overview, we review recent epidemiological studies, present current thinking on the pathophysiology leading to chronic paronychia, discuss the challenges chronic paronychia presents, and recommend a commonsense approach to management.  相似文献   
82.
Fracture of isolated spinous processes at multiple levels is a rare injury. Herein, we present a 45-year-old male with cervical pain and swelling following a road traffic accident. Computerized tomography and magnetic resonance imaging revealed fractures of spinous process from C7 to D6 vertebra. The patient was managed with rest, analgesics and immobilization. At the 1-year follow-up, the patient is doing well without any neurological problem.  相似文献   
83.
International Journal of Diabetes in Developing Countries -  相似文献   
84.
85.
86.
87.
Background: Ageing is associated with an accumulation of free radical damage, which leads to physiological and clinical modifications. The study aims to find out the status of lipid profile, antioxidant enzymes, malondialdehyde in geriatric population. Patients/methods: The study was conducted on 150 subjects (75 healthy control between the ages of 20–30 years and 75 elderly subjects between ages of 50–70 years as cases). The following parameters were analyzed using the standard reference methods: lipid profile, reduced glutathione, glutathione peroxidase, glutathione reductase, catalase, superoxide dismutase and malondialdehyde. Results: The present study was conducted to estimate the oxidative stress parameters in geriatric population. Highly significant increase in total cholesterol (TC), triglyceride (TG), LDL-cholesterol (LDL-C), VLDL-cholesterol (VLDL-C), malondialdehyde, catalase and decrease in high density lipoprotein cholesterol (HDL-C), reduced glutathione, glutathione peroxidase, glutathione reductase, superoxide dismutase was observed in geriatrics when compared with their younger counterparts. Conclusion: This study concluded that there is enhanced oxidative stress and decreased antioxidant defence in geriatrics as compared to younger subjects which could play an important role in ageing. Dyslipidemia has become one of the important risk factors for the increasing prevalence of cardiovascular diseases. There is lack of awareness on the relationship between blood lipids and the risk of cardiovascular diseases in geriatric population. The strategy of early prevention should be adopted against dyslipidemia.  相似文献   
88.
89.
90.
This case has been presented as pellagra, which is very rare in children. Pellagra is due dietary deficiency of niacin. Usually seen in alcoholics, malabsorption syndromes occur very rarely in children. A 11-y-old girl presented with well-defined, hyperpigmented, hyperkeratotic, symmetrical, thick scaly plaques surrounded by erythema on the dorsum of the hands, arms, feet, legs up to knees, and along the sides of the neck. The child was given 100 mg of Nicotinamide. Skin lesions resolved rapidly with the treatment and the child improved.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号