全文获取类型
收费全文 | 128030篇 |
免费 | 11018篇 |
国内免费 | 2018篇 |
专业分类
耳鼻咽喉 | 995篇 |
儿科学 | 2741篇 |
妇产科学 | 1870篇 |
基础医学 | 9184篇 |
口腔科学 | 2591篇 |
临床医学 | 16273篇 |
内科学 | 17274篇 |
皮肤病学 | 1505篇 |
神经病学 | 6217篇 |
特种医学 | 3600篇 |
外国民族医学 | 6篇 |
外科学 | 12288篇 |
综合类 | 19265篇 |
现状与发展 | 5篇 |
一般理论 | 13篇 |
预防医学 | 24259篇 |
眼科学 | 1416篇 |
药学 | 9502篇 |
282篇 | |
中国医学 | 6484篇 |
肿瘤学 | 5296篇 |
出版年
2024年 | 433篇 |
2023年 | 2349篇 |
2022年 | 4006篇 |
2021年 | 5618篇 |
2020年 | 5729篇 |
2019年 | 6758篇 |
2018年 | 6116篇 |
2017年 | 5349篇 |
2016年 | 4398篇 |
2015年 | 4379篇 |
2014年 | 9065篇 |
2013年 | 9087篇 |
2012年 | 7928篇 |
2011年 | 8162篇 |
2010年 | 6418篇 |
2009年 | 6081篇 |
2008年 | 5853篇 |
2007年 | 5369篇 |
2006年 | 4854篇 |
2005年 | 3719篇 |
2004年 | 3016篇 |
2003年 | 2611篇 |
2002年 | 2061篇 |
2001年 | 1690篇 |
2000年 | 1324篇 |
1999年 | 1110篇 |
1998年 | 875篇 |
1997年 | 846篇 |
1996年 | 676篇 |
1995年 | 661篇 |
1994年 | 519篇 |
1993年 | 435篇 |
1992年 | 358篇 |
1991年 | 280篇 |
1990年 | 283篇 |
1989年 | 235篇 |
1988年 | 230篇 |
1985年 | 1068篇 |
1984年 | 1577篇 |
1983年 | 1237篇 |
1982年 | 1237篇 |
1981年 | 1225篇 |
1980年 | 1065篇 |
1979年 | 912篇 |
1978年 | 715篇 |
1977年 | 501篇 |
1976年 | 688篇 |
1975年 | 581篇 |
1974年 | 491篇 |
1973年 | 452篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
101.
器官移植术是20世纪出现的针对器官功能衰竭的最有效治疗方法,每年拯救全球超过12万例患者。但供器官短缺的现状,与器官移植技术和辅助药物的发展不匹配,制约了器官移植事业的发展。我国自2015年起已成为全球器官捐献和移植大国之一,2017年公民逝世后器官捐献数量超过5 000例,占全球捐献总量的15%以上。黄洁夫教授总结的器官捐献与移植"中国模式"得到了世界卫生组织、国际移植界的高度重视和充分肯定。本文通过整理全球及各国的器官捐献与移植数据,剖析全球现状与发展趋势,进一步探索我国公民器官捐献的影响因素并提出针对性的应对策略,以期实现我国器官捐献和移植的"自给自足"。 相似文献
102.
Jin Wu Hao Wang Qing Li Qian-Ying Guo Si-Qi Tao Yu-Xian Shen Zheng-Sheng Wu 《Pathology, research and practice》2019,215(9):152523
Mammary carcinoma (MC) is one of most common malignancy in women, and ring finger protein 2 (RNF2) possesses various roles in vast human tumors. In MC tissues as well as in cell lines RNF2 exhibited high expression, had significant association with tumor size, lymph node status, TNM stage, patients’ poor survival, and promoted cell proliferation, colony formation, cell migration and invasion of MC cell lines which was mediated by downregulation of E-cadherin protein. These data reveal that RNF2 protein plays a vital role in the development of MC and may be a potential therapy target of MC. 相似文献
103.
104.
Background
Total knee arthroplasty is a treatment option for debilitating arthritis. In the postoperative period, patients experience moderate to severe pain affecting the rehabilitation, hospital stay, and patient satisfaction. This study aims at utilizing current best evidence to determine whether adductor canal block (ACB) or periarticular injection (PAI) is a better modality for managing short-term postoperative pain and opioid consumption.Methods
Embase, MEDLINE, HealthStar, Emcare, and PubMed were searched for randomized controlled trials from 1946 to August 2018, for literature addressing the comparison of ACB and PAI for pain management in the setting of total knee arthroplasty. A systematic review and meta-analysis were performed.Results
Six studies were included in our meta-analysis. When examining the combined visual analog scale (VAS) pain values for each group, analysis demonstrated greater reduction in scores for the PAI group, and the difference was statistically significant (P = .001). When comparing the VAS scores of subgroups analyzed at specific periods in time, there was a trend toward lower VAS scores in subgroups analyzed at 24 hours and 48 hours postoperatively (at rest and at movement) in the PAI group. Overall opioid consumption was lower in the PAI group, with demonstrated statistical significance (P = .03). When comparing the postoperative subgroups, there was a trend toward decreased opioid use in the PAI group, with 13.25% less opioid use at 48 hours and 9.5% less opioid use at 24 hours.Conclusion
PAI could significantly improve postoperative pain and opioid consumption when compared with ACB. Additional, high-quality studies are required to further address this topic. 相似文献105.
《Journal of pharmaceutical sciences》2019,108(11):3521-3523
We make the case for why continuous pharmaceutical manufacturing is essential, what the barriers are, and how to overcome them. To overcome them, government action is needed in terms of tax incentives or regulatory incentives that affect time. 相似文献
106.
107.
108.
Walid K. Abu Saleh Phillip Mason Odeaa Al Jabbari Hany Samir Brian A. Bruckner 《Texas Heart Institute journal / from the Texas Heart Institute of St. Luke's Episcopal Hospital, Texas Children's Hospital》2015,42(6):569-571
The Impella 5.0, a percutaneously inserted left ventricular assist device, has been used to support patients who have severe heart failure or who are undergoing high-risk percutaneous coronary intervention. We report our surgical placement of the Impella 5.0, through a graft sewn to the aorta, to unload the left ventricle of a 59-year-old man who was undergoing venoarterial extracorporeal membrane oxygenation for postcardiotomy shock. The patient underwent successful placement of a long-term left ventricular assist device before his discharge from the hospital. The versatility of the Impella 5.0 is exemplified in this patient who was successfully bridged to long-term support. 相似文献
109.
110.