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   1077734篇
  免费   73462篇
  国内免费   1375篇
耳鼻咽喉   15144篇
儿科学   34913篇
妇产科学   28832篇
基础医学   153781篇
口腔科学   29848篇
临床医学   95081篇
内科学   204354篇
皮肤病学   24520篇
神经病学   81754篇
特种医学   43125篇
外国民族医学   201篇
外科学   164038篇
综合类   21771篇
现状与发展   1篇
一般理论   264篇
预防医学   74701篇
眼科学   24690篇
药学   86424篇
  7篇
中国医学   2829篇
肿瘤学   66293篇
  2019年   7873篇
  2018年   11450篇
  2017年   9023篇
  2016年   10241篇
  2015年   11463篇
  2014年   15539篇
  2013年   22540篇
  2012年   31001篇
  2011年   32774篇
  2010年   19278篇
  2009年   18012篇
  2008年   30283篇
  2007年   32391篇
  2006年   33015篇
  2005年   31314篇
  2004年   29964篇
  2003年   28760篇
  2002年   27720篇
  2001年   60072篇
  2000年   61539篇
  1999年   50989篇
  1998年   12487篇
  1997年   11032篇
  1996年   11040篇
  1995年   10358篇
  1994年   9362篇
  1993年   8884篇
  1992年   37812篇
  1991年   36296篇
  1990年   35770篇
  1989年   34316篇
  1988年   30903篇
  1987年   30018篇
  1986年   28236篇
  1985年   26478篇
  1984年   19207篇
  1983年   16122篇
  1982年   8831篇
  1979年   17042篇
  1978年   11413篇
  1977年   10234篇
  1976年   8840篇
  1975年   10074篇
  1974年   11656篇
  1973年   11275篇
  1972年   10757篇
  1971年   10096篇
  1970年   9257篇
  1969年   8927篇
  1968年   7907篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
2.
Quality of Life Research - The COVID-19 pandemic might add to the stressors experienced by people living with rheumatic diseases. This study aimed to examine rheumatic patients’ functional...  相似文献   
3.
Molnár  B.  Aroca  S.  Dobos  A.  Orbán  K.  Szabó  J.  Windisch  P.  Stähli  A.  Sculean  A. 《Clinical oral investigations》2022,26(12):7135-7142
Clinical Oral Investigations - To evaluate t he long-term outcomes following treatment of RT 1 multiple adjacent gingival recessions (MAGR) using the modified coronally advanced tunnel (MCAT) with...  相似文献   
4.
5.
6.
7.
IntroductionHip displacement is common in cerebral palsy (CP) and is related to the severity of neurological and functional impairment. It is a silent, but progressive disease, and can result in significant morbidity and decreased quality of life, if left untreated. The pathophysiology of hip displacement in CP is a combination of hip flexor-adductor muscle spasticity, abductor muscle weakness, and delayed weight-bearing, resulting in proximal femoral deformities and progressive acetabular dysplasia. Due to a lack of symptoms in the early stages of hip displacement, the diagnosis is easily missed. Awareness of this condition and regular surveillance by clinical examination and serial radiographs of the hips are the key to early diagnosis and treatment.Hip surveillance programmesSeveral population-based studies from around the world have demonstrated that universal hip surveillance in children with CP allows early detection of hip displacement and appropriate early intervention, with a resultant decrease in painful dislocations. Global hip surveillance models are based upon the patients’ age, functional level determined by the Gross Motor Function Classification system (GMFCS), gait classification, standardized clinical exam, and radiographic indices such as the migration percentage (MP), as critical indicators of progressive hip displacement.ConclusionDespite 25 years of evidence showing the efficacy of established hip surveillance programmes, there is poor awareness among healthcare professionals in India about the importance of regular hip surveillance in children with CP. There is a need for professional organizations to develop evidence-based guidelines for hip surveillance which are relevant to the Indian context.  相似文献   
8.
9.
Inflammatory bowel disease (IBD) is a chronic disease that requires chronic treatment throughout the evolution of the disease, with a complex physiopathology that entails great challenges for the development of new and specific treatments for ulcerative colitis and Crohn´s disease. The anti-tumor necrosis factor alpha therapy has impacted the clinical course of IBD in those patients who do not respond to conventional treatment, so there is a need to develop new therapies and markers of treatment response. Various pathways involved in the development of the disease are known and the new therapies have focused on blocking the inflammatory process at the gastrointestinal level by oral, intravenous, subcutaneous, and topical route. All these new therapies can lead to more personalized treatments with higher success rates and fewer relapses. These treatments have not only focused on clinical remission, but also on achieving macroscopic changes at the endoscopic level and microscopic changes by achieving mucosal healing. These treatments are mainly based on modifying signaling pathways, by blocking receptors or ligands, reducing cell migration and maintaining the integrity of the epithelial barrier. Therefore, this review presents the efficacy and safety of the new treatments that are currently under study and the advances that have been made in this area in recent years.  相似文献   
10.
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