全文获取类型
收费全文 | 1595篇 |
免费 | 80篇 |
国内免费 | 16篇 |
专业分类
耳鼻咽喉 | 35篇 |
儿科学 | 59篇 |
妇产科学 | 64篇 |
基础医学 | 151篇 |
口腔科学 | 32篇 |
临床医学 | 143篇 |
内科学 | 442篇 |
皮肤病学 | 44篇 |
神经病学 | 76篇 |
特种医学 | 79篇 |
外科学 | 319篇 |
综合类 | 27篇 |
一般理论 | 1篇 |
预防医学 | 35篇 |
眼科学 | 47篇 |
药学 | 56篇 |
中国医学 | 4篇 |
肿瘤学 | 77篇 |
出版年
2023年 | 8篇 |
2022年 | 20篇 |
2021年 | 33篇 |
2020年 | 26篇 |
2019年 | 36篇 |
2018年 | 46篇 |
2017年 | 39篇 |
2016年 | 56篇 |
2015年 | 64篇 |
2014年 | 100篇 |
2013年 | 125篇 |
2012年 | 154篇 |
2011年 | 118篇 |
2010年 | 70篇 |
2009年 | 47篇 |
2008年 | 92篇 |
2007年 | 103篇 |
2006年 | 90篇 |
2005年 | 98篇 |
2004年 | 88篇 |
2003年 | 83篇 |
2002年 | 50篇 |
2001年 | 19篇 |
2000年 | 15篇 |
1999年 | 8篇 |
1998年 | 6篇 |
1997年 | 5篇 |
1996年 | 9篇 |
1995年 | 5篇 |
1994年 | 4篇 |
1993年 | 7篇 |
1992年 | 3篇 |
1990年 | 5篇 |
1989年 | 6篇 |
1988年 | 8篇 |
1987年 | 6篇 |
1986年 | 4篇 |
1985年 | 6篇 |
1984年 | 5篇 |
1983年 | 2篇 |
1978年 | 1篇 |
1975年 | 1篇 |
1974年 | 2篇 |
1972年 | 2篇 |
1971年 | 3篇 |
1970年 | 5篇 |
1967年 | 1篇 |
1966年 | 1篇 |
1959年 | 1篇 |
1937年 | 1篇 |
排序方式: 共有1691条查询结果,搜索用时 234 毫秒
11.
12.
Peer educators (PEs) have a significant role in providing education on various health issues like smoking, alcohol, and other substance use. This study aimed to determine the experiences and opinions of PEs regarding a peer education program. Using the qualitative research method, data were collected from the study sample, which consisted of 23 student PEs, via semi-structured focus group discussions. Three main themes were developed: the Perceived Efficacy of Peer Education, Suggestions Regarding a Peer Education Program, and Contribution of the Peer Education Program to PEs. This study showed that peer educators thought peer education to be a highly effective method for the prevention of substance abuse. To improve the effectiveness of the program, it was recommended that it be started during middle school instead of high school, that families and local institutions be involved in the program, and that the students be directed to participate in arts, sports, and social activities. 相似文献
13.
Yağmur Tunalı Hülya Karaca Gökalp İşcan Fatih Demirci Kadriye Benkli 《Medicinal chemistry research》2012,21(6):932-935
In this study, the antimicrobial activities of Trimethoprim (1), Trimethoprim + Maleic acid (2), Trimethoprim + Oxalic acid
dihydrate (3), and Trimethoprim + trans-1,2-Cyclohexanedicarboxylic acid (4) were investigated for their in vitro growth inhibitory activity against human pathogenic
as some bacteria and fungi. Substances were tested using the micro-broth dilution assay. The chemical agents showed the same
activity against Escherichia coli, Pseudomonas aeruginosa, and Proteus vulgaris. Inhibitory activities of test chemicals against different Candida strains were determined to be widely moderate. 相似文献
14.
15.
Sait Demirkol M.D. Ugur Kucuk M.D. Oben Baysan M.D. Sevket Balta M.D. Turgay Celik M.D. Ibrahim Halil Kurt M.D. Hilal Olgun Kucuk M.D. Uygar Cagdas Yuksel M.D. Murat Unlu M.D. Mehmet Yokusoglu M.D. 《Echocardiography (Mount Kisco, N.Y.)》2012,29(9):1064-1070
Aims: The aim of this study is to investigate the effect of mitral stenosis (MS) on left atrial (LA) function using two‐dimensional speckle tracking echocardiography (2DSTE). Methods and Results: The study subjects consisted of 52 patients with asymptomatic MS and 52 control subjects. LA function was assessed using prototype speckle tracking software and manual tracking method. Maximal LA volume (LAVmax) and minimal LA volume (LAVmin) and LA volume before atrial contraction (LAVpre‐a) were measured. Using these volumes, LA reservoir, conduit and booster pump fuction parameters were calculated. Indexed LAVmax, LAVmin, and LAVpre‐a measurements via speckle tracking were highly correlated with manual tracing methods in both groups. Expansion index (67.8 ± 36.4 vs. 148.3 ± 44.2), diastolic emptying index (37.7 ± 12.9 vs. 58.0 ± 8.5), passive emptying (37.3 ± 14.1 vs. 70.4 ± 10.4) and passive emptying index (13.3 ± 6.3 vs. 41.3 ± 10.6) were decreased significantly in MS patients (P < 0.001). In contrast active emptying index (62.6 ± 4.1 vs. 29.5 ± 10.1) increased in MS group (P < 0.001) while active emptying (28.1 ± 13.0 vs. 28.3 ± 6.9) remained same among both groups. Conclusions: This is the first study relating LA volumes and function assessed by 2DSTE to MS. 2D speckle tracking analysis of LA volume is relatively easy and provides more detailed information regarding the changes in LA volumes during the cardiac cycle. 相似文献
16.
17.
Duygu Gulmez Sevim Metin Unlu Cagatay Karaca Kuddusi Erkilic 《Journal of cosmetic and laser therapy》2019,21(4):206-208
A 53-year-old woman with hemiparesis and poor dexterity, underwent cosmetic blepharopigmentation on the both upper eyelids in the dermatology clinic of a private hospital. She was not asked for any information on her medical history and no informed consent was obtained and the procedure was performed without any protective ocular shields. The patient experienced severe lacrimation, discomfort, and increased sensitivity to light during and after the procedure. She also noticed blurred vision after the procedure. Ophthalmologic examination revealed tender and oedematous eyelids and corneal abrasions in both of her eyes. Topical antibiotics and preservative-free lubricants were able to recover her from her signs and symptoms at 1-week follow-up. It is recommended that cosmetic blepharopigmentation should be applied cautiously with patient’s informed consent after obtaining a thorough medical history and with protective ocular shields to avoid potential complications. 相似文献
18.
19.
20.
Comparison of the effectiveness of three different methods in decreasing pain during venipuncture in children: ball squeezing,balloon inflating and distraction cards
下载免费PDF全文
![点击此处可从《Journal of clinical nursing》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Diler Aydin PhD RN Nejla Canbulat Şahiner PhD RN Esra Karaca Çiftçi PhD RN 《Journal of clinical nursing》2016,25(15-16):2328-2335