全文获取类型
| 收费全文 | 178253篇 |
| 免费 | 1293篇 |
| 国内免费 | 33篇 |
专业分类
| 耳鼻咽喉 | 1184篇 |
| 儿科学 | 6708篇 |
| 妇产科学 | 3180篇 |
| 基础医学 | 16988篇 |
| 口腔科学 | 1580篇 |
| 临床医学 | 12655篇 |
| 内科学 | 31356篇 |
| 皮肤病学 | 688篇 |
| 神经病学 | 16598篇 |
| 特种医学 | 8996篇 |
| 外科学 | 29235篇 |
| 综合类 | 2415篇 |
| 一般理论 | 6篇 |
| 预防医学 | 18225篇 |
| 眼科学 | 2880篇 |
| 药学 | 9643篇 |
| 中国医学 | 660篇 |
| 肿瘤学 | 16582篇 |
出版年
| 2023年 | 32篇 |
| 2022年 | 52篇 |
| 2021年 | 90篇 |
| 2020年 | 79篇 |
| 2019年 | 100篇 |
| 2018年 | 22023篇 |
| 2017年 | 17441篇 |
| 2016年 | 19567篇 |
| 2015年 | 999篇 |
| 2014年 | 903篇 |
| 2013年 | 893篇 |
| 2012年 | 7118篇 |
| 2011年 | 21168篇 |
| 2010年 | 18907篇 |
| 2009年 | 11589篇 |
| 2008年 | 19606篇 |
| 2007年 | 21810篇 |
| 2006年 | 718篇 |
| 2005年 | 2319篇 |
| 2004年 | 3535篇 |
| 2003年 | 4481篇 |
| 2002年 | 2626篇 |
| 2001年 | 446篇 |
| 2000年 | 517篇 |
| 1999年 | 270篇 |
| 1998年 | 241篇 |
| 1997年 | 234篇 |
| 1996年 | 111篇 |
| 1995年 | 132篇 |
| 1994年 | 121篇 |
| 1993年 | 74篇 |
| 1992年 | 80篇 |
| 1991年 | 133篇 |
| 1990年 | 153篇 |
| 1989年 | 106篇 |
| 1988年 | 79篇 |
| 1987年 | 65篇 |
| 1986年 | 45篇 |
| 1985年 | 51篇 |
| 1984年 | 30篇 |
| 1983年 | 33篇 |
| 1982年 | 29篇 |
| 1980年 | 49篇 |
| 1974年 | 26篇 |
| 1969年 | 23篇 |
| 1938年 | 60篇 |
| 1937年 | 25篇 |
| 1934年 | 30篇 |
| 1932年 | 56篇 |
| 1930年 | 46篇 |
排序方式： 共有10000条查询结果，搜索用时 0 毫秒
1.
Ngai-Yin Chan Chi-Chung Choy Ho-Chuen Yuen Hoi-Fan Chow Ho-Fai Fong 《The Canadian journal of cardiology》2019,35(4):396-404
Background
Persistent iatrogenic atrial septal defect (iASD) is a common but poorly characterized complication after cryoballoon (CB) pulmonary vein isolation (PVI) procedures. We therefore investigate its prevalence, evolution, risk factors, and clinical outcomes in a prospective longitudinal study.Methods
A total of 108 patients (41 women, mean age 57 ± 11.3) underwent CB PVI for AF. Serial transesophageal echocardiography (TEE) was performed 9 months and then annually until 6 years after the procedure to study the characteristics of persistent iASD.Results
Persistent iASD occurred in 33 (30.6%) patients 9 months after CB PVI. Spontaneous closure of iASD was found in 6 (22.2%) and 3 (15.8%) patients 2 and 3 years after the procedures, respectively. No spontaneous closure was observed on 4, 5, and 6-year TEE follow-up. The projected long-term persistence rate of iASD after CB PVI was therefore 20% (30.6% × 0.778 × 0.842). Using multivariate logistic regression, a higher number of cryoapplications (≥ 2 minutes) was the only independent predictor of persistent iASD 9 months after CB PVI (odds ratio [OR] 1.207; 95% confidence interval [CI], 1.033-1.411, P = 0.018). Two (1.9%) patients with significantly larger iASD size than the others (long diameter 12.6 ± 0.8 vs 3.7 ± 1.5 mm, P < 0.001; short diameter 10.9 ± 0.2 vs 3 ± 1.1 mm, P < 0.001) required percutaneous closure because of exertional dyspnea and right ventricular enlargement. Over 129.7 patient-years follow-up, during which iASD persisted, there was no occurrence of neurologic events.Conclusions
Approximately one fifth of patients undergoing CB PVI will have permanently persistent iASD. Patients with defect sizes of greater than 10 mm may need percutaneous closure due to significant left-to-right shunting. 相似文献2.
3.
4.
5.
6.
Susanne Ramsauer 《Zeitschrift für Psychodrama und Soziometrie》2007,6(2):293-302
Anliegen dieses Artikels ist, die besondere Qualit?t und Chance von Psychodramatischer Supervision zu beschreiben, und gleichzeitig
die Kompatibilit?t und fruchtbare Erg?nzung des Moreno’schen Ansatzes innerhalb des Formats Supervision innerhalb der Sozialen
Arbeit auf zuzeigen. Dies wird anhand von 2 ausgew?hlten Praxisbeispielen dargestellt. Die Handlungskompetenz von Supervisandinnen
und Supervisanden kann durch einfache psychodramatische Interventionen erweitert werden. Handlungshemmung wird überwunden,
Spontaneit?t und Kreativit?t kommen ins Laufen und er?ffnen Perspektiven. 相似文献
7.
8.
Debra L. Roter Richard M. Frankel Judith A. Hall David Sluyter 《Journal of general internal medicine》2006,21(1):28-34
Relationship-centered care reflects both knowing and feeling: the knowledge that physician and patient bring from their respective domains of expertise, and the physician’s and patient’s experience, expression, and perception of emotions during the medical encounter. These processes are conveyed and reciprocated in the care process through verbal and nonverbal communication. We suggest that the emotional context of care is especially related to nonverbal communication and that emotion-related communication skills, including sending and receiving nonverbal messages and emotional self-awareness, are critical elements of high-quality care. Although nonverbal behavior has received far less study than other care processes, the current review argues that it holds significance for the therapeutic relationship and influences important outcomes including satisfaction, adherence, and clinical outcomes of care. 相似文献
9.
杨娅 Thomas Bartel Loredana Latina Guido Caspari 王新房 Raimund Erbel 《华中科技大学学报(医学英德文版)》2002,22(2):158-163
Coronary flow reserve (CFR) has been used toassess coronary microcirculation and epicardial coro-nary stenoses[1— 3 ] . CFR is defined as the ratio ofcoronary flow under maximal coronary vasodilatationto coronary flow under resting conditions[4 ] .Whenthe cross- sectional area of epicardial coronary arteriesis constant,coronary flow velocity (CFV) ratios areequal to volume flow ratios.The most common method used clinically formeasuring CFVR is intracoronary Doppler flow(ICD) analysis re… 相似文献
10.