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   4270篇
  免费   282篇
  国内免费   28篇
耳鼻咽喉   48篇
儿科学   100篇
妇产科学   71篇
基础医学   565篇
口腔科学   358篇
临床医学   318篇
内科学   1042篇
皮肤病学   99篇
神经病学   322篇
特种医学   234篇
外国民族医学   1篇
外科学   437篇
综合类   45篇
预防医学   401篇
眼科学   47篇
药学   350篇
中国医学   21篇
肿瘤学   121篇
  2023年   50篇
  2022年   74篇
  2021年   180篇
  2020年   104篇
  2019年   134篇
  2018年   164篇
  2017年   122篇
  2016年   128篇
  2015年   159篇
  2014年   178篇
  2013年   218篇
  2012年   292篇
  2011年   329篇
  2010年   178篇
  2009年   153篇
  2008年   233篇
  2007年   215篇
  2006年   171篇
  2005年   185篇
  2004年   133篇
  2003年   119篇
  2002年   115篇
  2001年   84篇
  2000年   65篇
  1999年   69篇
  1998年   66篇
  1997年   78篇
  1996年   73篇
  1995年   52篇
  1994年   54篇
  1993年   46篇
  1992年   22篇
  1991年   33篇
  1990年   30篇
  1989年   31篇
  1988年   32篇
  1987年   30篇
  1986年   32篇
  1985年   14篇
  1984年   11篇
  1983年   13篇
  1982年   21篇
  1981年   5篇
  1980年   10篇
  1979年   13篇
  1977年   5篇
  1976年   8篇
  1975年   6篇
  1973年   5篇
  1967年   4篇
排序方式: 共有4580条查询结果,搜索用时 234 毫秒
1.
2.
3.
4.
Drug‐induced reactions are complications associated with high mortality and significant morbidity. Stevens–Johnson Syndrome (SJS) and toxic epidermal necrolysis (TEN) are examples of these conditions, which are characterized by skin and mucous lesions. Here, we report a case of a 9‐year‐old girl who presented with blisters associated with an extensive vesicular rash and multiple ulcerations on the lips and oral cavity. A drug‐induced hypersensitivity reaction to antibiotics was suspected, and a diagnosis of TEN was made. The patient was managed with withdrawal of the suspected causative agent, and the oral lesions were treated with low‐level laser therapy (LLLT) and oral hygiene. This case highlights that TEN requires interdisciplinary intervention with dental assistance and follow‐up to improve symptoms, nutrition, systemic condition, and quality of life.  相似文献   
5.
L1 disease is the most common genetic cause of congenital hydrocephalus. Mutations in the L1CAM gene are associated with an overlapping clinical spectrum of four X-linked neurological conditions, characterized by hydrocephalus, mental retardation, lower limb spasticity and adducted thumbs. Brain anomalies are frequently present in L1 disease. We describe these anomalies by reporting a case of a male newborn presenting with congenital hydrocephalus along with corpus callosum agenesis and enlargement of the massa intermedia. These findings, in association with the presence of clasped thumbs, raised the suspicion of L1 disease, which was confirmed by the detection of a mutation in the L1CAM gene. In cases of congenital hydrocephalus, recognition of the brain anomalies associated with L1 disease may contribute to pursuing the genetic analysis needed for the diagnosis and genetic counseling.  相似文献   
6.
7.
OBJECTIVE: The authors tested the effect of blood sampling (skin versus venous puncture) on some biochemical and hematological blood parameters in athletes to answer whether skin puncture could be used as a substitute for venous puncture. DESIGN: Comparative study of 2 methods of blood samples collection. SETTING: The blood was collected in the same athletes at 3 different moments of the preparatory training phase. PARTICIPANTS: Fourteen male indoor soccer players (22 +/- 1 years old) and 7 female handball players (18 +/- 1 years old) participated. MAIN OUTCOME MEASUREMENT: Blood was collected in heparin and K3EDTA by Vacutainer BD or Microvette Sarstedt system for biochemical and hematological analyses, respectively. RESULTS: There were no significant statistical differences between the 2 methods for the values of creatine kinase, urea, creatinine, lymphocytes, and platelets. The other hematological analyzes and uric acid exhibited significant higher values in skin blood, although they were all within the normal expected range. A high degree of correlation was observed between the 2 techniques for all parameters. CONCLUSIONS: Skin puncture is a reliable, easy, accurate, and less invasive sampling method for assessing hematological and some biochemical parameters in athletes, respecting that blood samples should always be obtained from the same site, especially in follow-up studies.  相似文献   
8.
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