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   3483031篇
  免费   295209篇
  国内免费   13569篇
耳鼻咽喉   47712篇
儿科学   110138篇
妇产科学   90643篇
基础医学   549522篇
口腔科学   95448篇
临床医学   327591篇
内科学   615157篇
皮肤病学   93186篇
神经病学   299245篇
特种医学   135390篇
外国民族医学   296篇
外科学   532589篇
综合类   102442篇
现状与发展   59篇
一般理论   2377篇
预防医学   300067篇
眼科学   79771篇
药学   236120篇
  27篇
中国医学   9338篇
肿瘤学   164691篇
  2021年   55774篇
  2020年   37097篇
  2019年   58536篇
  2018年   74186篇
  2017年   57674篇
  2016年   63205篇
  2015年   77272篇
  2014年   112212篇
  2013年   177693篇
  2012年   95907篇
  2011年   96480篇
  2010年   119780篇
  2009年   124857篇
  2008年   83633篇
  2007年   86820篇
  2006年   96812篇
  2005年   92153篇
  2004年   93567篇
  2003年   84153篇
  2002年   73878篇
  2001年   103270篇
  2000年   95639篇
  1999年   95898篇
  1998年   65462篇
  1997年   63287篇
  1996年   61355篇
  1995年   56666篇
  1994年   50755篇
  1993年   47423篇
  1992年   67858篇
  1991年   65052篇
  1990年   61698篇
  1989年   60788篇
  1988年   56613篇
  1987年   55380篇
  1986年   52770篇
  1985年   52338篇
  1984年   48235篇
  1983年   44406篇
  1982年   41762篇
  1981年   39475篇
  1980年   37191篇
  1979年   40718篇
  1978年   36315篇
  1977年   32887篇
  1976年   30176篇
  1975年   29053篇
  1974年   30543篇
  1973年   29663篇
  1972年   27909篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
61.
62.
ABSTRACT

A monocausal bacteriological understanding of infectious disease orients tuberculosis control efforts towards antimicrobial interventions. A bias towards technological solutions can leave multistranded public health and social interventions largely neglected. In the context of globalising biomedical approaches to infectious disease control, this ethnography-inspired review article reflects upon the implementation of rapid diagnostic technology in low- and middle-income countries. Fieldwork observations in Vietnam provided a stimulus for a critical review of the global rollout of tuberculosis diagnostic technology. To address local needs in tuberculosis control, health managers in resource-poor settings are readily cooperating with international donors to deploy novel diagnostic technologies throughout national tuberculosis programme facilities. Increasing investment in new diagnostic technologies is predicated on the supposition that these interventions will ameliorate disease outcomes. However, suboptimal treatment control persists even when accurate diagnostic technologies are available, suggesting that promotion of singular technological solutions can distract from addressing systemic change, without which disease susceptibility, propagation of infection, detection gaps, diagnostic delays, and treatment shortfalls persist.  相似文献   
63.
64.
65.
66.
67.
68.
69.
70.

Background

Nursing Home Compare (NHC) ratings, created and maintained by Medicare, are used by both hospitals and consumers to aid in the skilled nursing facility (SNF) selection process. To date, no studies have linked NHC ratings to actual episode-based outcomes. The purpose of this study was to evaluate whether NHC ratings are valid predictors of 90-day complications, readmission, and bundle costs for patients discharged to an SNF after primary total joint arthroplasty (TJA).

Methods

All SNF-discharged primary TJA cases in 2017 at a multihospital academic health system were queried. Demographic, psychosocial, and clinical variables were manually extracted from the health record. Medicare NHC ratings were then collected for each SNF. For patients in the Medicare bundle, postacute and total bundle cost was extracted from claims.

Results

Four hundred eighty-eight patients were discharged to a total of 105 unique SNFs. In multivariate analysis, overall NHC rating was not predictive of 90-day readmission/major complications, >75th percentile postacute cost, or 90-day bundle cost exceeding the target price. SNF health inspection and quality measure ratings were also not predictive of 90-day readmission/major complications or bundle performance. A higher SNF staffing rating was independently associated with a decreased odds for >75th percentile 90-day postacute spend (odds ratio, 0.58; P = .01) and a 90-day bundle cost exceeding the target price (odds ratio = 0.69; P = .02) but was similarly not predictive of 90-day readmission/complications.

Conclusion

Results of our study suggest that Medicare's NHC tool is not a useful predictor of 90-day costs, complications, or readmissions for SNFs within our health system.  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