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   159867篇
  免费   33222篇
  国内免费   2451篇
耳鼻咽喉   5408篇
儿科学   5567篇
妇产科学   2569篇
基础医学   4776篇
口腔科学   1750篇
临床医学   27625篇
内科学   49396篇
皮肤病学   7685篇
神经病学   15776篇
特种医学   7061篇
外国民族医学   3篇
外科学   42297篇
综合类   360篇
现状与发展   72篇
一般理论   4篇
预防医学   7682篇
眼科学   3440篇
药学   1723篇
中国医学   17篇
肿瘤学   12329篇
  2024年   514篇
  2023年   4814篇
  2022年   1257篇
  2021年   3271篇
  2020年   6110篇
  2019年   2313篇
  2018年   7563篇
  2017年   7479篇
  2016年   8617篇
  2015年   8684篇
  2014年   15794篇
  2013年   16011篇
  2012年   6168篇
  2011年   6227篇
  2010年   10728篇
  2009年   14607篇
  2008年   6483篇
  2007年   4761篇
  2006年   7139篇
  2005年   4456篇
  2004年   3706篇
  2003年   2667篇
  2002年   2672篇
  2001年   3918篇
  2000年   3101篇
  1999年   3347篇
  1998年   3777篇
  1997年   3610篇
  1996年   3473篇
  1995年   3312篇
  1994年   2031篇
  1993年   1657篇
  1992年   1447篇
  1991年   1473篇
  1990年   1113篇
  1989年   1248篇
  1988年   1062篇
  1987年   902篇
  1986年   940篇
  1985年   757篇
  1984年   607篇
  1983年   574篇
  1982年   584篇
  1981年   453篇
  1980年   417篇
  1979年   352篇
  1978年   363篇
  1977年   431篇
  1975年   317篇
  1972年   332篇
排序方式: 共有10000条查询结果,搜索用时 140 毫秒
101.
102.
103.
104.
Wound pain is a serious problem for elderly patients suffering from chronic leg ulcers, and it may lead to reduced wound healing rates and reduced quality of life. Biatain-Ibu Non-adhesive (Coloplast A/S), a new pain-reducing moist wound healing dressing containing ibuprofen was tested for pain reduction, safety, and efficacy on 10+2 patients in a single-blinded crossover study against Biatain Non-adhesive (Coloplast A/S). Pain was measured with a Numeric Box Scale before, during, and after dressing change. Quality of life was measured using the World Health Organization-5 Well-Being Index. Dressing moist wound healing properties such as absorption capacity and leakage were tested together with assessment of wound exudate and blood plasma content of ibuprofen. Use of the Biatain-Ibu foam dressing correlated with a decrease in pain intensity scores from 7 in the run-in period to approximately 2.5 in the Biatain-Ibu treatment phase. Quality of life measures were improved which together with the reduced pain could contribute to faster wound healing. The moist wound healing properties of Biatain-Ibu were similar to that of the Biatain Non-adhesive and ulcer size was reduced by 24% during the treatment period. Neither side effects nor systemic plasma concentrations of ibuprofen were observed. These data indicate that Biatain-Ibu could reduce persistent and temporary wound pain, increase Quality of life, was found safe to use, and had excellent moist wound healing properties.  相似文献   
105.
106.
107.
108.
109.
110.
Background Hydatid disease is the most severe helminthic zoonosis, with an important public health problem especially in rural areas in Turkey. The aim of this study was to review the problems and advantages encountered in surgical treatment of 43 patients who were ventilated with one-lung ventilation during last four years. Methods Patients, operated with one-lung ventilation, constitute the study group. Data related to symptoms, radiographic findings, performed surgical procedures, perioperative and postoperative morbidity, hospitalization time, and cyst recurrence were collected from each individual's records. Results Cystotomy and capitonnage were performed in all cases. Perioperative complications were seen in 5 patients. Four of these 5 patients had double-lumen endotracheal tube malpositioning. In one patient hypoxemia developed. The most common postoperative complication was atelectasis. One patient had recurrent cysts. There was no perioperative or postoperative death. Conclusions We prefer cystotomy and capitonnage because it is a fast and effective technique with limited postoperative complications. One-lung ventilation prevents the exposure of lower lung areas from massive aspiration, which may cause acute obstruction of airways, and contamination by cyst contents from the operative part of the lung that causes recurrent disease. One-lung ventilation in pulmonary hydatid cyst surgery may be preferred owing to lower mortality and morbidity rates.  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