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   51481篇
  免费   3211篇
  国内免费   246篇
耳鼻咽喉   646篇
儿科学   1182篇
妇产科学   1219篇
基础医学   7167篇
口腔科学   1516篇
临床医学   5648篇
内科学   11096篇
皮肤病学   805篇
神经病学   5090篇
特种医学   1812篇
外科学   6459篇
综合类   326篇
一般理论   45篇
预防医学   3674篇
眼科学   806篇
药学   3487篇
  1篇
中国医学   61篇
肿瘤学   3898篇
  2023年   308篇
  2022年   519篇
  2021年   1155篇
  2020年   758篇
  2019年   999篇
  2018年   1215篇
  2017年   1089篇
  2016年   1273篇
  2015年   1326篇
  2014年   1771篇
  2013年   2539篇
  2012年   3859篇
  2011年   4046篇
  2010年   2410篇
  2009年   2195篇
  2008年   3369篇
  2007年   3682篇
  2006年   3283篇
  2005年   3319篇
  2004年   3048篇
  2003年   2832篇
  2002年   2601篇
  2001年   442篇
  2000年   357篇
  1999年   483篇
  1998年   575篇
  1997年   468篇
  1996年   415篇
  1995年   351篇
  1994年   306篇
  1993年   312篇
  1992年   236篇
  1991年   234篇
  1990年   210篇
  1989年   222篇
  1988年   197篇
  1987年   176篇
  1986年   181篇
  1985年   214篇
  1984年   183篇
  1983年   168篇
  1982年   193篇
  1981年   161篇
  1980年   140篇
  1979年   116篇
  1978年   122篇
  1977年   132篇
  1976年   95篇
  1975年   107篇
  1974年   82篇
排序方式: 共有10000条查询结果,搜索用时 499 毫秒
1.
Die Anaesthesiologie - Phantomschmerzen haben eine hohe Prävalenz nach Majoramputationen und sind mit einer zusätzlichen Einschränkung der Lebensqualität verbunden....  相似文献   
2.
3.
Introduction: The Hedgehog (HH) pathway constitutes a collection of signaling molecules which critically influence embryogenesis. In adults, however, the HH pathway remains integral to the proliferation, maintenance, and apoptosis of adult stem cells including hematopoietic stem cells.

Areas covered: We discuss the current understanding of the HH pathway as it relates to normal hematopoiesis, the pathology of acute myeloid leukemia (AML), the rationale for and data from combination therapies including HH pathway inhibitors, and ultimately the prospects that might offer promise in targeting this pathway in AML.

Expert opinion: Efforts to target the HH pathway have been focused on impeding this disposition and restoring chemosensitivity to conventional myeloid neoplasm therapies. The year 2018 saw the first approval of a HH pathway inhibitor (glasdegib) for AML, though for an older population and in combination with an uncommonly-used therapy. Several other clinical trials with agents targeting modulators of HH signaling in AML and MDS are underway. Further study and understanding of the interplay between the numerous aspects of HH signaling and how it relates to the augmented survival of AML will provide a more reliable substrate for therapeutic strategies in patients with this poor-risk disease.  相似文献   

4.
Despite common experiences of identity damage, decline, and deterioration, many brain injury survivors succeed in reconstructing robust identities in the wake of injury. Yet, while this accomplishment greatly benefits survivors’ quality of life, little is known about how positive identity work might be facilitated or enhanced in therapeutic institutions. Drawing on data from a women’s self-help group, we argue that an egalitarian, reflective, strength-focused, and gender-segregated environment can provide female ABI (acquired brain injury) survivors with a fertile scene for identity enhancement and offer unique opportunities for collective identity development. Sociolinguistic interactional analysis revealed four types of positive identity work undertaken within the group: constructing competent selves; tempering the threat of loss and impairment; resisting infantilisation and delegitimisation; and asserting a collective gender identity. This identity work was facilitated by specific programme attributes and activities and contributed to the global project of decentring disability and destigmatising impairments and losses. We call for increased attention to identity issues in brain injury rehabilitation and argue that gender-segregated programming can provide a unique space for female survivors to construct empowering individual and collective identities after injury.  相似文献   
5.
6.
7.
8.
Dupuytren’s disease with severe finger contractures and recurrent contractures following previous surgery often have extensive skin involvement. In these severe cases, excision of the diseased chord along with the involved skin is a good option to reduce the risk of recurrance. The resulting skin defect can be covered with a full thickness skin graft (FTSG) or a cross finger flap. Cross finger flaps have donor finger morbidity and hence a full thickness graft is usually preferred. The FTSG extending to the midlateral margins on both sides of the finger reduces the risk of joint contracture due to graft shrinkage. Once the FTSG is sutured in place, the standard practice is to compress and secure the graft to its recipient bed with a tie-over dressing and this can be time consuming. We present a simple dressing technique to secure the FTSG without the need for a tie-over dressing.  相似文献   
9.
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