全文获取类型
收费全文 | 81606篇 |
免费 | 6193篇 |
国内免费 | 259篇 |
专业分类
耳鼻咽喉 | 923篇 |
儿科学 | 2079篇 |
妇产科学 | 1129篇 |
基础医学 | 10987篇 |
口腔科学 | 954篇 |
临床医学 | 8779篇 |
内科学 | 17344篇 |
皮肤病学 | 913篇 |
神经病学 | 7942篇 |
特种医学 | 3108篇 |
外科学 | 13147篇 |
综合类 | 948篇 |
一般理论 | 94篇 |
预防医学 | 6176篇 |
眼科学 | 2051篇 |
药学 | 5531篇 |
中国医学 | 101篇 |
肿瘤学 | 5852篇 |
出版年
2023年 | 678篇 |
2022年 | 1057篇 |
2021年 | 2444篇 |
2020年 | 1371篇 |
2019年 | 2225篇 |
2018年 | 2550篇 |
2017年 | 1816篇 |
2016年 | 1911篇 |
2015年 | 2247篇 |
2014年 | 3256篇 |
2013年 | 4148篇 |
2012年 | 6602篇 |
2011年 | 6867篇 |
2010年 | 3750篇 |
2009年 | 3306篇 |
2008年 | 5487篇 |
2007年 | 5688篇 |
2006年 | 5267篇 |
2005年 | 5234篇 |
2004年 | 4745篇 |
2003年 | 4347篇 |
2002年 | 3948篇 |
2001年 | 675篇 |
2000年 | 479篇 |
1999年 | 654篇 |
1998年 | 813篇 |
1997年 | 603篇 |
1996年 | 500篇 |
1995年 | 448篇 |
1994年 | 413篇 |
1993年 | 417篇 |
1992年 | 304篇 |
1991年 | 244篇 |
1990年 | 231篇 |
1989年 | 196篇 |
1988年 | 207篇 |
1987年 | 153篇 |
1986年 | 182篇 |
1985年 | 175篇 |
1984年 | 216篇 |
1983年 | 182篇 |
1982年 | 259篇 |
1981年 | 250篇 |
1980年 | 185篇 |
1979年 | 115篇 |
1978年 | 144篇 |
1977年 | 113篇 |
1976年 | 88篇 |
1975年 | 77篇 |
1974年 | 64篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
2.
Kara S. Tanaka MD Veronica R. Andaya BA Steven W. Thorpe MD Kenneth R. Gundle MD James B. Hayden MD Yee-Cheen Duong MD Raffi S. Avedian MD David G. Mohler MD Lee J. Morse MD Melissa N. Zimel MD Richard J. O'Donnell MD Andrew Fang MD Robert Lor Randall MD Tina H. Tran BS Christin New BA Rosanna L. Wustrack MD other members of Study Group FORCE 《Journal of surgical oncology》2023,127(1):148-158
3.
Triposkiadis Filippos Xanthopoulos Andrew Skoularigis John Starling Randall C. 《Heart failure reviews》2022,27(6):1991-2003
Heart Failure Reviews - The nitric oxide (NO)–guanylate cyclase (GC)–cyclic guanosine monophosphate (cGMP) pathway plays an important role in cardiovascular, pulmonary and renal... 相似文献
4.
5.
Xin Yi Wong Andrew Qi Jun Lim Qianyu Shen John Whay Kuang Chia Min Hoe Chew Wah Siew Tan 《Current medical research and opinion》2020,36(10):1677-1686
Abstract
Objective
Ras wild-type metastatic colorectal cancers (mCRC) may be treated with anti-vascular endothelial growth factor (VEGF) or anti-epidermal growth factor receptor (EGFR) agents. We aim to estimate patients’ preferences for mCRC treatment and relative importance of cost, efficacy improvement, avoidance of side effects and therapy convenience, and relative uptake between profiles that resemble Bevacizumab (anti-VEGF) and Cetuximab (anti-EGFR), two commonly prescribed mCRC targeted therapies. 相似文献6.
Caroline E. Sloan Judy Zhong Dinushika Mohottige Rasheeda Hall Clarissa J. Diamantidis Leight E. Boulware Virginia Wang 《Seminars in dialysis》2020,33(6):440-448
Caring for patients with end-stage kidney disease (ESKD) in the United States is challenging, due in part to the complex epidemiology of the disease's progression as well as the ways in which care is delivered. As CKD progresses toward ESKD, the number of comorbidities increases and care involves multiple healthcare providers from multiple subspecialties. This occurs in the context of a fragmented US healthcare delivery system that is traditionally siloed by provider specialty, organization, as well as systems of payment and administration. This article describes the role of care fragmentation in the delivery of optimal ESKD care and identifies research gaps in the evidence across the continuum of care. We then consider the impact of care fragmentation on ESKD care from the patient and health system perspectives and explore opportunities for system-level interventions aimed at improving care for patients with ESKD. 相似文献
7.
8.
9.
William R. C. Knight Cara R. Baker Nyree Griffin Wahyu Wulaningsih Mark Kelly Andrew R. Davies James A. Gossage 《British journal of cancer》2021,124(10):1653
Background A high Mandard score implies a non-response to chemotherapy in oesophageal adenocarcinoma. However, some patients exhibit tumour volume reduction and a nodal response despite a high score. This study examines survival and recurrence patterns in these patients.Methods Clinicopathological factors were analysed using multivariable Cox regression assessing time to death and recurrence. Computed tomography-estimated tumour volume change was examined in a subgroup of consecutive patients.Results Five hundred and fifty-five patients were included. Median survival was 55 months (Mandard 1–3) and 21 months (Mandard 4 and 5). In the Mandard 4 and 5 group (332 patients), comparison between complete nodal responders and persistent nodal disease showed improved survival (90 vs 18 months), recurrence rates (locoregional 14.75 vs 28.74%, systemic 24.59 vs 48.42%) and circumferential resection margin positivity (22.95 vs 68.11%). Complete nodal response independently predicted improved survival (hazard ratio 0.34 (0.16–0.74). Post-chemotherapy tumour volume reduction was greater in patients with a complete nodal response (−16.3 vs −7.7 cm3, p = 0.033) with no significant difference between Mandard groups.Conclusion Patients with a complete nodal response to chemotherapy have significantly improved outcomes despite a poor Mandard score. High Mandard score does not correspond with a non-response to chemotherapy in all cases and patients with nodal downstaging may still benefit from adjuvant chemotherapy.Subject terms: Oesophageal cancer, Surgical oncology 相似文献
10.
Arthroscopic acromioclavicular joint excision is a commonly performed but technically demanding procedure. Incomplete excision can leave residual symptoms. We present a simple, reproducible technique ensuring satisfactory excision of the joint. 相似文献