全文获取类型
收费全文 | 3264篇 |
免费 | 183篇 |
国内免费 | 16篇 |
专业分类
耳鼻咽喉 | 82篇 |
儿科学 | 177篇 |
妇产科学 | 166篇 |
基础医学 | 253篇 |
口腔科学 | 89篇 |
临床医学 | 273篇 |
内科学 | 895篇 |
皮肤病学 | 131篇 |
神经病学 | 214篇 |
特种医学 | 140篇 |
外科学 | 565篇 |
综合类 | 34篇 |
一般理论 | 1篇 |
预防医学 | 84篇 |
眼科学 | 142篇 |
药学 | 116篇 |
中国医学 | 3篇 |
肿瘤学 | 98篇 |
出版年
2024年 | 2篇 |
2023年 | 35篇 |
2022年 | 65篇 |
2021年 | 98篇 |
2020年 | 77篇 |
2019年 | 85篇 |
2018年 | 109篇 |
2017年 | 82篇 |
2016年 | 144篇 |
2015年 | 158篇 |
2014年 | 174篇 |
2013年 | 186篇 |
2012年 | 236篇 |
2011年 | 208篇 |
2010年 | 150篇 |
2009年 | 119篇 |
2008年 | 181篇 |
2007年 | 243篇 |
2006年 | 218篇 |
2005年 | 211篇 |
2004年 | 174篇 |
2003年 | 135篇 |
2002年 | 118篇 |
2001年 | 64篇 |
2000年 | 57篇 |
1999年 | 46篇 |
1998年 | 11篇 |
1997年 | 15篇 |
1996年 | 10篇 |
1995年 | 4篇 |
1994年 | 6篇 |
1993年 | 3篇 |
1992年 | 6篇 |
1991年 | 8篇 |
1990年 | 7篇 |
1989年 | 4篇 |
1987年 | 2篇 |
1986年 | 4篇 |
1985年 | 4篇 |
1984年 | 1篇 |
1979年 | 1篇 |
1969年 | 1篇 |
1968年 | 1篇 |
排序方式: 共有3463条查询结果,搜索用时 156 毫秒
1.
Martin R. Späth Malte P. Bartram Nicolàs Palacio-Escat K. Johanna R. Hoyer Cedric Debes Fatih Demir Christina B. Schroeter Amrei M. Mandel Franziska Grundmann Giuliano Ciarimboli Andreas Beyer Jayachandran N. Kizhakkedathu Susanne Brodesser Heike Göbel Jan U. Becker Thomas Benzing Bernhard Schermer Martin Höhne Markus M. Rinschen 《Kidney international》2019,95(2):333-349
2.
Evaluation of Adult versus Pediatric Transesophageal Echocardiography Probe Efficiency for Guiding Septal Puncture during Atrial Fibrillation Ablation 下载免费PDF全文
3.
Are Dermatophytid Reactions in Patients with Kerion Celsi Much More Common Than Previously Thought? A Prospective Study 下载免费PDF全文
Dermatophytid reactions are secondary eruptions in response to dermatophytosis. Only a few cases demonstrating an association between dermatophytid reactions and tinea capitis have been reported. Dermatophytid reactions were evaluated in patients diagnosed with kerion celsi. Patients admitted to the dermatology clinic of Van Regional Training and Research Hospital between November 22, 2012, and July 1, 2013, diagnosed with kerion celsi were evaluated for dermatophytid reactions. Six girls (32%) and 13 boys (68%) were included in this study. Dermatophytid reactions were detected in 13 of the 19 patients (68%). Seven patients (36.84%) had eczematous patches or plaques and three (15.8%) had papules. Eczematous lesions, papules, and pustules were noted in two patients (10.5%) and one (5.3%) had signs of an angioedema‐like reaction. Dermatophytid reactions in all patients were observed before the initiation of therapy. According to our clinical experiences, dermatophytid reactions in patients with kerion celsi were more common than reported. Eczematous scaly patches or plaques were the most frequently seen forms of dermatophytid in patients with kerion celsi. Dermatophytid reactions may occur before or after initiation of systemic antifungal therapy. Recognition of this reaction is important so that dermatophytids can be distinguished from drug reactions and the decision can be made whether to continue or to stop the systemic antifungal treatment. 相似文献
4.
U I Esen 《Ultrasound in obstetrics & gynecology》2005,26(2):201; author reply 201-201; author reply 202
5.
The purpose of this study is to show the spectrum of adjacent organ invasion and to make a brief review of hepatic alveolar hydatid disease (AHD), using CT and MR imaging. We retrospectively reviewed CT and MR images of three patients with various adjacent organ invasions surgically and histologically proven to be AHD. Local invasion to right kidney and adrenal, right hemidiaphragm and lung were detected in one patient, right adrenal in another patient and gall bladder, duodenum, gastric wall and pancreas invasion in the other. AHD may rarely extend to the gall bladder, stomach, duodenum, pancreas, right adrenal and kidney, diaphragm, pleura and lung. The extension of the disease outside the liver is usually encountered in patients with large, peripherally located masses in the advanced stage of the disease. 相似文献
6.
7.
8.
Nese Ersoz Gulcelik Yalcin Aral Rustu Serter Yavuz Demir Cavit Culha 《Gynecological endocrinology》2006,22(9):511-515
OBJECTIVE: Polycystic ovary syndrome (PCOS) is frequently associated with insulin resistance and a consequent increased risk of metabolic diseases. The aim of the present study was to investigate the role of adiponectin in insulin resistance in PCOS women. MATERIALS AND METHODS: Forty-seven patients with PCOS and 23 control subjects, matched for age and body mass index (BMI), were enrolled in the study. Clinical, metabolic and hormonal parameters and adiponectin levels were measured, and HOMA-IR score (homeostasis model assessment-insulin resistance index) was calculated for each subject. RESULTS: There was no difference in adiponectin levels between PCOS patients and the control group. However, adiponectin levels were negatively correlated with obesity-associated parameters and HOMA-IR score in PCOS patients and controls. As adiponectin is modulated by BMI we adjusted for BMI among the PCOS patients, and found a negative correlation between adiponectin levels and HOMA-IR score (r = -0.51, p < 0.001). Adiponectin and BMI were independent determinants of insulin resistance in PCOS patients (adjusted R2 = 0.66, p < 0.001). CONCLUSION: Adiponectin did not seem to be actively involved in the pathogenesis of PCOS. However, adiponectin levels were independently associated with insulin resistance in PCOS patients, suggesting that adiponectin might play a role in the complicated metabolic abnormalities of PCOS. 相似文献
9.
Ziya Cetinkaya Kazim Esen Ibrahim Hanefi Ozercan Bilal Ustundag Refik Ayten Erhan Aygen 《World journal of emergency surgery : WJES》2006,1(1):37
Background
Ischemia is the most important factor compromises wound healing in colonic anastomosis. Mesenteric vessels are ligated at first while performing colonic resection and following anastomosis. Therefore blood supply of the related segments of colon temporarily interrupted and ischemia can easily occur. This study was carried out to explore whether Bosentan, an endothelin-receptor antagonist, can eliminate vasoconstruction, increase blood flow in the splanchnic area and anastomotic region and therefore possibly facilitate wound healing and prevent intra-abdominal adhesion formation. 相似文献10.