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   1280876篇
  免费   95574篇
  国内免费   1612篇
耳鼻咽喉   16625篇
儿科学   41514篇
妇产科学   35228篇
基础医学   191817篇
口腔科学   35136篇
临床医学   119273篇
内科学   250970篇
皮肤病学   27582篇
神经病学   103503篇
特种医学   47540篇
外国民族医学   277篇
外科学   181057篇
综合类   25899篇
现状与发展   3篇
一般理论   574篇
预防医学   105931篇
眼科学   28683篇
药学   93631篇
  6篇
中国医学   2052篇
肿瘤学   70761篇
  2018年   13772篇
  2017年   10593篇
  2016年   11543篇
  2015年   13359篇
  2014年   18337篇
  2013年   27996篇
  2012年   38310篇
  2011年   40696篇
  2010年   23497篇
  2009年   22656篇
  2008年   38432篇
  2007年   41130篇
  2006年   40655篇
  2005年   39783篇
  2004年   38193篇
  2003年   36540篇
  2002年   35486篇
  2001年   56568篇
  2000年   57580篇
  1999年   48559篇
  1998年   13611篇
  1997年   12422篇
  1996年   12800篇
  1995年   12053篇
  1994年   11235篇
  1993年   10503篇
  1992年   38499篇
  1991年   37996篇
  1990年   36765篇
  1989年   35535篇
  1988年   32996篇
  1987年   32279篇
  1986年   30798篇
  1985年   29021篇
  1984年   22122篇
  1983年   19335篇
  1982年   11473篇
  1981年   10421篇
  1979年   21127篇
  1978年   15521篇
  1977年   12920篇
  1976年   11968篇
  1975年   12924篇
  1974年   15727篇
  1973年   15475篇
  1972年   14634篇
  1971年   13649篇
  1970年   12899篇
  1969年   12158篇
  1968年   11342篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
91.
The fat mass and obesity-associated gene (FTO) rs9939609 A-allele is linked to obesity and dyslipidemia, yet the independent influence of this polymorphism on blood lipids remains equivocal. We examined the influence of the FTO rs9939609 polymorphism on fasting and postprandial blood lipids in individuals homozygous for the risk A-allele or T-allele with similar anthropometric and demographic characteristics. 12 AA and 12 TT males consumed a standardized meal after fasting overnight. Blood samples were collected at baseline (−1.5 h), before the meal (0 h), and for five hours postprandially to measure lipid, glucose, and insulin concentrations. Time-averaged total area under the curve (TAUC) values (0–5 h) were calculated and compared between genotypes. Fasting triacylglycerol (TG), high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, total cholesterol, non-esterified fatty acid (NEFA), glucose, and insulin concentrations were similar between groups (p ≥ 0.293). TAUC for TG was similar in AAs and TTs (95% confidence interval (CI) −0.52 to 0.31 mmol/L/h; p = 0.606). Likewise, TAUC values were similar for NEFA (95% CI −0.04 to 0.03 mmol/L/h; p = 0.734), glucose (95% CI −0.41 to 0.44 mmol/L/h; p = 0.951), and insulin (95% CI −6.87 to 2.83 pmol/L/h; p = 0.395). Blood lipids are not influenced by the FTO rs9939609 polymorphism, suggesting the FTO-dyslipidemia link is mediated by adiposity and weight management is important in preventing FTO-related lipid variations.  相似文献   
92.
93.
94.

Objective

The teaching hospital of Nancy, France, implemented a specific multidisciplinary care pathway (French acronym AMDPL) to improve the management of patients presenting with Lyme borreliosis (LB) suspicion. We aimed to assess the first year of activity of this care pathway.

Patients and methods

We included all patients managed in the AMDPL pathway from November 1, 2016 to October 31, 2017. The first step was a dedicated Lyme disease consultation with an infectious disease specialist. Following this consultation, the LB diagnosis was either confirmed and adequate treatment was prescribed, or a differential diagnosis was established and patients received adequate management, or further investigations were required and patients were offered multidisciplinary management as part of a day hospitalization.

Results

A total of 468 patients were included. LB diagnosis was confirmed in 15% of patients (69/468), 49% of patients received a differential diagnosis, and 26% (122/468) of patients had the LB diagnosis ruled out without receiving any other diagnosis.

Conclusions

This is to our knowledge the first multidisciplinary center implemented in France for the management of patients presenting with LB suspicion related to polymorphous signs and symptoms. Several diagnoses could be confirmed or corrected, although some symptoms and complaints could not be explained. This cohort could improve our knowledge of LB and its differential diagnoses.  相似文献   
95.
96.
97.
98.
ABSTRACT

Purpose

New instrument-based techniques for anterior chamber (AC) cell counting can offer automation and objectivity above clinician assessment. This review aims to identify such instruments and its correlation with clinician estimates.  相似文献   
99.
100.
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