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   52312篇
  免费   6924篇
  国内免费   401篇
耳鼻咽喉   611篇
儿科学   742篇
妇产科学   2059篇
基础医学   5744篇
口腔科学   1010篇
临床医学   17796篇
内科学   8469篇
皮肤病学   1380篇
神经病学   3063篇
特种医学   2436篇
外国民族医学   1篇
外科学   5157篇
综合类   213篇
一般理论   5篇
预防医学   3240篇
眼科学   603篇
药学   3381篇
中国医学   445篇
肿瘤学   3282篇
  2024年   96篇
  2023年   1004篇
  2022年   858篇
  2021年   1459篇
  2020年   1155篇
  2019年   992篇
  2018年   2032篇
  2017年   2111篇
  2016年   2532篇
  2015年   2986篇
  2014年   3291篇
  2013年   3782篇
  2012年   3491篇
  2011年   3688篇
  2010年   2763篇
  2009年   2837篇
  2008年   2741篇
  2007年   2434篇
  2006年   2248篇
  2005年   2019篇
  2004年   1617篇
  2003年   1414篇
  2002年   1211篇
  2001年   1259篇
  2000年   1009篇
  1999年   954篇
  1998年   781篇
  1997年   819篇
  1996年   750篇
  1995年   647篇
  1994年   499篇
  1993年   405篇
  1992年   401篇
  1991年   393篇
  1990年   408篇
  1989年   320篇
  1988年   258篇
  1987年   249篇
  1986年   221篇
  1985年   208篇
  1984年   146篇
  1983年   139篇
  1982年   110篇
  1981年   125篇
  1980年   64篇
  1979年   100篇
  1978年   82篇
  1977年   89篇
  1976年   74篇
  1972年   96篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
101.
102.
Painful calcinosis appeared at the wrist of an eight-year-old girl with lead poisoning. Careful history revealed that calcification occurred at the site of previous extravasation of calcium disodium edetate (EDTA) used in chelation therapy. Light microscopic, ultrastructural, electron activation, and X-ray diffraction studies demonstrated apatites with some suggestion of an admixture of octacalcium phosphate.  相似文献   
103.
104.
105.
106.
The concept of citizenship is becoming more and more prominent in specific fields, such as psychiatry/mental health, where it is constituted as a solution to the issues of exclusion, discrimination, and poverty often endured by the mentally ill. We argue that such discourse of citizenship represents a break in the history of psychiatry and constitutes a powerful strategy to counter the effects of equally powerful psychiatric labelling. However, we call into question the emancipatory promise of a citizenship agenda. Foucault's concept of governmentality is helpful in understanding the production of the citizen subject, its location within the ‘art of government’, as well as the ethical and political implications of citizenship in the context of mental health.  相似文献   
107.
OBJECTIVES: The study aimed to review the etiologies of patients who underwent surgery for small bowel obstruction (SBO) and to evaluate the risk factors affecting the early postoperative outcomes. MATERIALS AND METHODS: A case series of 430 patients (252 men) with a mean age of 64.5 years, who underwent 437 operations for SBO, were retrospectively reviewed. RESULTS: Peritoneal adhesions and hernia were the most common causes of SBO, contributing 42.3 and 26.8% of all cases, respectively. Strangulation occurred in 27.7% and caused nonviable bowel in 13.0% of obstructing episodes. Old age (age >/= 70 years), female patient, nonadhesive obstruction, and hernia were the independent significant factors associated with bowel strangulation. The 30-day mortality was 6.5%, and the median postoperative hospital stay was 8 days. Old age, the presence of premorbid pulmonary disease, and malignant obstruction were the independent factors associated with operative mortality. The overall complication rate was 35.5%, and old age was the only significant factor associated with postoperative complications. CONCLUSIONS: Surgery for SBO is still associated with significant mortality and morbidity. As old age is significantly associated with an increased incidence of strangulation, operative mortality, and complications, this group of patients should be managed with extra cautions to avoid unfavorable outcome of surgery.  相似文献   
108.
109.
In an outpatient rehabilitation setting, both patients’ use and therapists’ knowledge of complementary and alternative medicine (CAM) varies widely. Based on this observation and a recognition of CAM as an emerging practice area for rehabilitation professionals, it was felt that a thorough and consistent approach to the education and orientation of physical therapists to the world of CAM and integrative care was needed. This special interest paper will describe one center’s approach, development, and use of a unique and comprehensive training manual designed to provide both a structured and standardized approach for educating physical therapists about CAM and related therapeutic modalities. This innovative teaching tool allows for multiple methods of content delivery within a multidisciplinary format and can be used for those who practice currently or desire to practice in an integrative care environment.  相似文献   
110.
A small proportion of thymoma patients without myasthenia gravis (MG) have been observed to develop MG after total removal of the thymoma. However, the underlying cause is not yet known due to the rarity of postoperative MG patients. We report a 39-year-old man in whom MG appeared after surgical removal of a thymoma. Computed tomography and magnetic resonance imaging showed no signs of recurrent or metastatic thymoma. Administration of pyridostigmine bromide resulted in the prompt improvement of myasthenic symptoms. Our observations indicate that postoperative follow-up care with monitoring of possible postoperative MG is necessary after resecting a thymoma.  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