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   1912篇
  免费   215篇
  国内免费   3篇
耳鼻咽喉   65篇
儿科学   95篇
妇产科学   37篇
基础医学   242篇
口腔科学   49篇
临床医学   145篇
内科学   411篇
皮肤病学   29篇
神经病学   67篇
特种医学   65篇
外科学   488篇
综合类   29篇
一般理论   7篇
预防医学   107篇
眼科学   37篇
药学   91篇
  1篇
中国医学   1篇
肿瘤学   164篇
  2023年   12篇
  2022年   29篇
  2021年   76篇
  2020年   35篇
  2019年   57篇
  2018年   78篇
  2017年   62篇
  2016年   48篇
  2015年   67篇
  2014年   78篇
  2013年   77篇
  2012年   100篇
  2011年   130篇
  2010年   62篇
  2009年   64篇
  2008年   93篇
  2007年   94篇
  2006年   75篇
  2005年   73篇
  2004年   63篇
  2003年   47篇
  2002年   52篇
  2001年   45篇
  2000年   41篇
  1999年   39篇
  1998年   14篇
  1997年   12篇
  1996年   16篇
  1994年   10篇
  1993年   11篇
  1992年   31篇
  1991年   37篇
  1990年   23篇
  1989年   25篇
  1988年   17篇
  1987年   23篇
  1986年   23篇
  1985年   24篇
  1984年   19篇
  1983年   28篇
  1980年   12篇
  1979年   19篇
  1978年   17篇
  1977年   9篇
  1976年   12篇
  1974年   14篇
  1973年   18篇
  1972年   24篇
  1971年   13篇
  1970年   17篇
排序方式: 共有2130条查询结果,搜索用时 281 毫秒
41.
42.
43.
Foot problems in diabetics most often arise from vascular disease, neuropathy, or infection, which may be especially persistent and difficult to treat. A sensible program of foot care may help reduce the need for amputation. Recommended measures include daily inspection, comfortable footwear, and proper management of corns and ingrown toenails.  相似文献   
44.
Large fasciomuscular damage of the feminine pelvic floor resulting in pelvic organ prolapse constitutes a challenge for surgical reconstruction.Between 2005 and 2010, ten women aged 47–75 years were treated by abdominoperineal implantation of polypropylene mesh for modified sacral perineocolporectopexy and subsequently followed up. They were suffering from enterocele (9), genital prolapse (8), descending perineum (5), rectal prolapse (4), and rectocele (3). Five women were incontinent (mean Wexner 9) and six had incomplete rectal evacuation. Defecography revealed enterocele III? (5) and II? (4). Magnetic resonance (MR) diagnosed descending perineum in five patients (mean 3.8 cm).Permanent reconstruction of the pelvic floor and remission of organ prolapse was achieved at 12-months of follow-up in all except one patient. There were two small vaginal mesh erosions and one hematoma within the pelvic floor. Improvement at rectal emptying and anal incontinence (mean Wexner 4) were found.Modified sacral perineocolporectopexy is effective in the treatment of complex pelvic floor anatomical defects and organ prolapse. Improvements in rectal emptying, pelvic feeling of heaviness, and dyspareunia were achieved. The procedure was safe and characterized by good implant tolerance and a low rate of complications.  相似文献   
45.
46.
Plasma membrane store-operated Ca2+ release-activated Ca2+ (CRAC) channels are a widespread and conserved Ca2+ influx pathway, driving activation of a range of spatially and temporally distinct cellular responses. Although CRAC channels are activated by the loss of Ca2+ from the endoplasmic reticulum, their gating is regulated by mitochondria. Through their ability to buffer cytoplasmic Ca2+, mitochondria take up Ca2+ released from the endoplasmic reticulum by InsP3 receptors, leading to more extensive store depletion and stronger activation of CRAC channels. Mitochondria also buffer Ca2+ that enters through CRAC channels, reducing Ca2+-dependent slow inactivation of the channels. In addition, depolarised mitochondria impair movement of the CRAC channel activating protein STIM1 across the endoplasmic reticulum membrane. Because they regulate CRAC channel activity, particularly Ca2+-dependent slow inactivation, mitochondria influence CRAC channel-driven enzyme activation, secretion and gene expression. Mitochondrial regulation of CRAC channels therefore provides an important control element to the regulation of intracellular Ca2+ signalling.  相似文献   
47.
Waldenström macroglobulinemia is a lymphoplasmacytic lymphoma with bone marrow involvement and a monoclonal IgM gammopathy. Infiltration of the skin by neoplastic cells is very rare, and it can be difficult to distinguish from marginal zone lymphoma. The MYD88 L265P mutation is strongly associated with Waldenström macroglobulinemia, and it may be helpful in differentiating the two disorders, although the presence of this mutation is not specific, and other factors must be considered when making the final diagnosis. We present a diagnostically challenging case of cutaneous Waldenström macroglobulinemia in which the MYD88 L265P mutation was identified in the skin but not in the bone marrow, due to a low tumor burden.  相似文献   
48.
49.
50.
Objective: To identify differences among faculty members in various health professional training programs in perceived benefits and challenges of implementing interprofessional education (IPE).Methods: A 19-item survey using a 5-point Likert scale was administered to faculty members across different health disciplines at a west coast, multicollege university with osteopathic medicine, pharmacy, and physician assistant programs.Results: Sixty-two of 103 surveys (60.2%) were included in the study. Faculty members generally agreed that there were benefits of IPE on patient outcomes and that implementing IPE was feasible. However, group differences existed in belief that IPE improves care efficiency (p=0.001) and promotes team-based learning (p=0.001). Program divergence was also seen in frequency of stressing importance of IPE (p=0.009), preference for more IPE opportunities (p=0.041), and support (p=0.002) within respective college for IPE.Conclusions: Despite consensus among faculty members from 3 disciplines that IPE is invaluable to their curricula and training of health care students, important program level differences existed that would likely need to be addressed in advance IPE initiatives.  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