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   2588074篇
  免费   188020篇
  国内免费   7574篇
耳鼻咽喉   34318篇
儿科学   85339篇
妇产科学   71610篇
基础医学   363917篇
口腔科学   69716篇
临床医学   234781篇
内科学   516158篇
皮肤病学   62551篇
神经病学   213675篇
特种医学   99997篇
外国民族医学   737篇
外科学   387042篇
综合类   50450篇
现状与发展   5篇
一般理论   973篇
预防医学   196374篇
眼科学   56776篇
药学   188418篇
  8篇
中国医学   5358篇
肿瘤学   145465篇
  2021年   20134篇
  2019年   20729篇
  2018年   29422篇
  2017年   22661篇
  2016年   26333篇
  2015年   29610篇
  2014年   40575篇
  2013年   60601篇
  2012年   80495篇
  2011年   84738篇
  2010年   51151篇
  2009年   49274篇
  2008年   79223篇
  2007年   84033篇
  2006年   85751篇
  2005年   81899篇
  2004年   78878篇
  2003年   76185篇
  2002年   73436篇
  2001年   128461篇
  2000年   131366篇
  1999年   110537篇
  1998年   31274篇
  1997年   27938篇
  1996年   28234篇
  1995年   27401篇
  1994年   25079篇
  1993年   23441篇
  1992年   85194篇
  1991年   81589篇
  1990年   78806篇
  1989年   76078篇
  1988年   69497篇
  1987年   68010篇
  1986年   63560篇
  1985年   60532篇
  1984年   44958篇
  1983年   37953篇
  1982年   22461篇
  1981年   19990篇
  1979年   38968篇
  1978年   27444篇
  1977年   23252篇
  1976年   21499篇
  1975年   22815篇
  1974年   26794篇
  1973年   25374篇
  1972年   23752篇
  1971年   21958篇
  1970年   20187篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
31.
Troppmair  Teresa  Egger  J.  Krösbacher  A.  Zanvettor  A.  Schinnerl  A.  Neumayr  A.  Baubin  M. 《Der Anaesthesist》2022,71(4):272-280
Die Anaesthesiologie - Die Qualität eines Rettungssystems zeichnet sich auch durch den effizienten Einsatz seiner personellen und Fahrzeugressourcen aus. So können im berechtigten Fall...  相似文献   
32.
33.
34.
We review the spectrum of cutaneous disorders associated with inflammatory and neoplastic plasmacytic pathology. Because plasma cells are derived from B‐lymphocytes our overview includes discussion of certain lymphoplasmacytic proliferations. It is structured along histopathological lines, addressing conditions characterized by (a) cutaneous plasma cell infiltrates, (b) deposits of plasma cell products or their derivatives in the skin and (c) miscellaneous, poorly understood cutaneous complications of plasmacytic disorders. Lesions arising primarily in the skin and those due to cutaneous involvement by multisystem disorders are addressed. The range includes a spectrum of tumefactive and circulatory manifestations. We highlight key clinical and pathological features of the different conditions and outline recent advances in our understanding of these entities. By emphasizing the dermatopathological characteristics of this spectrum of disorders we hope to hone the diagnostic accuracy of practitioners in the field.  相似文献   
35.
BackgroundThe aim of this study was to estimate the prevalence of dental prosthetic treatment and to investigate the demographic, social, economic and medical factors associated with the use of fixed and removable dentures in a representative sample of adults living in France.MethodsThe data were obtained from the 2002–2003 Decennial Health Survey, a cross-sectional study of a representative sample of the population living in France, which included 29,679 adults. Information was collected by interview. The variables collected were fixed denture, removable denture, age, gender, number of children, area of residence, nationality, educational attainment, family social status, employment status, annual household income per capita, supplementary insurance, chronic disease, eyesight problems/glasses, hearing problems/hearing aids. Multinomial logistic regression models were used to study the relationship between prosthetic treatment and demographic, socioeconomic and medical characteristics unadjusted, adjusted for age and adjusted for all the characteristics.ResultsThe prevalence of prosthetic treatment was 34.6% (95% confidence interval (CI): [34.1; 35.2]) for fixed prosthetic dentures and 13.8% (95% CI: [13.4; 14.2]) for removable prosthetic dentures. We showed a gradient between educational attainment and removable dentures; the odds ratio adjusted for all the variables (aOR) associated with no or primary education compared to post-secondary education was 2.56; 95% CI: [2.09; 3.13]. When annual household income per capita was low, subjects were less likely to report fixed dentures (aOR = 0.68; 95% CI: [0.62; 0.75]) than those with high annual household income per capita. Individuals without insurance less often reported fixed dentures than those with private insurance. Those reporting chronic disease were less likely to report fixed dentures (aOR = 0.87; 95% CI: [0.79; 0.95]) but more likely to report removable dentures (aOR = 1.29; 95% CI: [1.17; 1.43]) than those without chronic disease.ConclusionThis study reveals social, economic and medical inequalities in fixed and removable prosthetic treatment among adults in France.  相似文献   
36.
37.
38.
39.
40.
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