全文获取类型
收费全文 | 3293篇 |
免费 | 301篇 |
国内免费 | 22篇 |
专业分类
耳鼻咽喉 | 32篇 |
儿科学 | 71篇 |
妇产科学 | 53篇 |
基础医学 | 479篇 |
口腔科学 | 106篇 |
临床医学 | 412篇 |
内科学 | 638篇 |
皮肤病学 | 66篇 |
神经病学 | 268篇 |
特种医学 | 233篇 |
外国民族医学 | 1篇 |
外科学 | 363篇 |
综合类 | 84篇 |
一般理论 | 1篇 |
预防医学 | 296篇 |
眼科学 | 76篇 |
药学 | 227篇 |
中国医学 | 2篇 |
肿瘤学 | 208篇 |
出版年
2022年 | 20篇 |
2021年 | 43篇 |
2020年 | 22篇 |
2019年 | 45篇 |
2018年 | 65篇 |
2017年 | 47篇 |
2016年 | 39篇 |
2015年 | 78篇 |
2014年 | 57篇 |
2013年 | 99篇 |
2012年 | 141篇 |
2011年 | 120篇 |
2010年 | 96篇 |
2009年 | 127篇 |
2008年 | 134篇 |
2007年 | 109篇 |
2006年 | 106篇 |
2005年 | 112篇 |
2004年 | 139篇 |
2003年 | 103篇 |
2002年 | 86篇 |
2001年 | 95篇 |
2000年 | 87篇 |
1999年 | 96篇 |
1998年 | 90篇 |
1997年 | 95篇 |
1996年 | 84篇 |
1995年 | 78篇 |
1994年 | 59篇 |
1993年 | 56篇 |
1992年 | 69篇 |
1991年 | 78篇 |
1990年 | 74篇 |
1989年 | 82篇 |
1988年 | 72篇 |
1987年 | 62篇 |
1986年 | 74篇 |
1985年 | 57篇 |
1984年 | 43篇 |
1983年 | 49篇 |
1982年 | 46篇 |
1980年 | 29篇 |
1979年 | 37篇 |
1978年 | 29篇 |
1976年 | 22篇 |
1975年 | 28篇 |
1973年 | 25篇 |
1971年 | 18篇 |
1969年 | 21篇 |
1968年 | 19篇 |
排序方式: 共有3616条查询结果,搜索用时 482 毫秒
61.
Emily Banks Gillian Reeves Valerie Beral Diana Bull Barbara Crossley Moya Simmonds Elizabeth Hilton Stephen Bailey Nigel Barrett Peter Briers Ruth English Alan Jackson Elizabeth Kutt Janet Lavelle Linda Rockall Matthew G Wallis Mary Wilson Julietta Patnick 《British medical journal》2004,328(7451):1291-1292
62.
63.
64.
65.
66.
Vincent K. Lam Hai T. Tran Kimberly C. Banks Richard B. Lanman Waree Rinsurongkawong Nir Peled Jeff Lewis J. Jack Lee Jack Roth Emily B. Roarty Stephen Swisher AmirAli Talasaz P. Andrew Futreal Vassiliki Papadimitrakopoulou John V. Heymach Jianjun Zhang 《Clinical lung cancer》2019,20(1):30-36.e3
Background
Major guidelines do not recommend routine molecular profiling of lung squamous-cell carcinoma (LUSC) because the prevalence of actionable alterations is thought to be low. Increased utilization of next-generation sequencing (NGS), particularly with cell-free circulating tumor DNA, facilitates reevaluation of this premise.Patients and Methods
We retrospectively evaluated the prevalence of actionable alterations in 2 distinct LUSC cohorts totaling 492 patients. A total of 410 consecutive patients with stage 3B or 4 LUSC were tested with a targeted cell-free circulating DNA NGS assay, and 82 patients with LUSC of any stage were tested with a tissue NGS cancer panel.Results
In the overall cohort, 467 patients (94.9%) had a diagnosis of LUSC, and 25 patients (5.1%) had mixed histology with a squamous component. A total of 10.5% of the LUSC subgroup had somatic alterations with therapeutic relevance, including in EGFR (2.8%), ALK/ROS1 (1.3%), BRAF (1.5%), and MET amplification or exon 14 skipping (5.1%). Sixteen percent of patients with mixed histology had an actionable alteration. In the LUSC subgroup, 3 evaluable patients were treated with targeted therapy for an actionable alteration; all of them experienced partial response.Conclusion
In this large, real-world LUSC cohort, we observed a clinically significant prevalence of actionable alterations. Accurate local histopathologic assessment in advanced-stage LUSC can be challenging. Further evaluation of the genomic landscape in this setting is warranted to potentially identify underappreciated treatment options. 相似文献67.
68.
Amanda Hanna Jill Banks Denise A. Marston Richard J. Ellis Sharon M. Brookes Ian H. Brown 《Emerging infectious diseases》2015,21(5):879-882
Genetic sequences of a highly pathogenic avian influenza (H5N8) virus in England have high homology to those detected in mainland Europe and Asia during 2014. Genetic characterization suggests this virus is an avian-adapted virus without specific affinity for zoonoses. Spatio-temporal detections of H5N8 imply a role for wild birds in virus spread. 相似文献
69.
70.