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   107913篇
  免费   31097篇
  国内免费   1097篇
耳鼻咽喉   2533篇
儿科学   2963篇
妇产科学   2574篇
基础医学   3800篇
口腔科学   5217篇
临床医学   27246篇
内科学   26662篇
皮肤病学   3347篇
神经病学   13117篇
特种医学   4110篇
外国民族医学   1篇
外科学   19994篇
综合类   316篇
现状与发展   40篇
一般理论   17篇
预防医学   14499篇
眼科学   2369篇
药学   1692篇
中国医学   23篇
肿瘤学   9587篇
  2024年   543篇
  2023年   5094篇
  2022年   1282篇
  2021年   3208篇
  2020年   5523篇
  2019年   2347篇
  2018年   7246篇
  2017年   7604篇
  2016年   8181篇
  2015年   8335篇
  2014年   10893篇
  2013年   12594篇
  2012年   4641篇
  2011年   4437篇
  2010年   7258篇
  2009年   9419篇
  2008年   4102篇
  2007年   3030篇
  2006年   4214篇
  2005年   2665篇
  2004年   1933篇
  2003年   1586篇
  2002年   1457篇
  2001年   1953篇
  2000年   1271篇
  1999年   1774篇
  1998年   2138篇
  1997年   1959篇
  1996年   1999篇
  1995年   1720篇
  1994年   1127篇
  1993年   962篇
  1992年   874篇
  1991年   735篇
  1990年   611篇
  1989年   625篇
  1988年   605篇
  1987年   458篇
  1986年   422篇
  1985年   363篇
  1984年   338篇
  1983年   349篇
  1982年   274篇
  1981年   244篇
  1980年   169篇
  1979年   123篇
  1978年   159篇
  1977年   170篇
  1976年   132篇
  1974年   115篇
排序方式: 共有10000条查询结果,搜索用时 234 毫秒
131.
132.
Although psychoanalysis was the first-choice treatment for premature ejaculation (PE) between 1920 and 1960, hardly any reports on its efficacy have been published. Moreover, a scientific debate about its findings has never been fully developed. The recent progress that has been made in the classification of three different PE syndromes creates a new opportunity for psychoanalytic investigations of men with complaints of PE, distinguished by the actual duration of their intravaginal ejaculation latency time (IELT). The term premature-like ejaculatory dysfunction has been introduced to distinguish men with self-perceived PE at normal and long IELT durations from those men with lifelong, acquired and normal variable PE. Psychoanalytic research may contribute to a better understanding of the consequences of objective early ejaculations on the unconscious mental life of men with the four forms of PE. By integrating neurobiological, clinical and epidemiological data of ejaculatory performance, a revival of psychoanalytic research of PE in the four distinct, classified PE groups, will probably contribute to a deeper insight in to the unconscious mental life of men affected by PE.  相似文献   
133.
134.
135.
136.
137.
The clinical presentation of electrical injury commonly involves physical, cognitive, and emotional complaints. Neuropsychological studies, including case reports, have indicated that electrical injury (EI) survivors may experience a broad range of impaired neuropsychological functions, although this has not been clarified through controlled investigation. In this study, we describe the neuropsychological test findings in a series of 29 EI patients carefully screened and matched to a group of 29 demographically similar healthy electricians. Participants were matched by their estimated premorbid intellectual ability. Multivariate analysis of variance was used to assess group differences in the following neuropsychological domains: attention and mental speed, working memory, verbal memory, visual memory, and motor skills. EI patients performed significantly worse on composite measures of attention/mental speed and motor skills, which could not be explained by demographic differences, injury parameters, litigation status, or mood disturbance. Results suggest that cognitive changes do occur in patients suffering from electrical injury.  相似文献   
138.
139.
140.
Wound pain is a serious problem for elderly patients suffering from chronic leg ulcers, and it may lead to reduced wound healing rates and reduced quality of life. Biatain-Ibu Non-adhesive (Coloplast A/S), a new pain-reducing moist wound healing dressing containing ibuprofen was tested for pain reduction, safety, and efficacy on 10+2 patients in a single-blinded crossover study against Biatain Non-adhesive (Coloplast A/S). Pain was measured with a Numeric Box Scale before, during, and after dressing change. Quality of life was measured using the World Health Organization-5 Well-Being Index. Dressing moist wound healing properties such as absorption capacity and leakage were tested together with assessment of wound exudate and blood plasma content of ibuprofen. Use of the Biatain-Ibu foam dressing correlated with a decrease in pain intensity scores from 7 in the run-in period to approximately 2.5 in the Biatain-Ibu treatment phase. Quality of life measures were improved which together with the reduced pain could contribute to faster wound healing. The moist wound healing properties of Biatain-Ibu were similar to that of the Biatain Non-adhesive and ulcer size was reduced by 24% during the treatment period. Neither side effects nor systemic plasma concentrations of ibuprofen were observed. These data indicate that Biatain-Ibu could reduce persistent and temporary wound pain, increase Quality of life, was found safe to use, and had excellent moist wound healing properties.  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