全文获取类型
收费全文 | 1607631篇 |
免费 | 131664篇 |
国内免费 | 2590篇 |
专业分类
耳鼻咽喉 | 21728篇 |
儿科学 | 53158篇 |
妇产科学 | 46433篇 |
基础医学 | 228509篇 |
口腔科学 | 47273篇 |
临床医学 | 141651篇 |
内科学 | 315693篇 |
皮肤病学 | 34153篇 |
神经病学 | 130685篇 |
特种医学 | 64846篇 |
外国民族医学 | 474篇 |
外科学 | 244450篇 |
综合类 | 39780篇 |
现状与发展 | 3篇 |
一般理论 | 556篇 |
预防医学 | 123663篇 |
眼科学 | 36577篇 |
药学 | 121635篇 |
3篇 | |
中国医学 | 2977篇 |
肿瘤学 | 87638篇 |
出版年
2018年 | 14933篇 |
2016年 | 13000篇 |
2015年 | 15164篇 |
2014年 | 20836篇 |
2013年 | 31645篇 |
2012年 | 42952篇 |
2011年 | 45191篇 |
2010年 | 26563篇 |
2009年 | 25493篇 |
2008年 | 43325篇 |
2007年 | 45576篇 |
2006年 | 46435篇 |
2005年 | 45034篇 |
2004年 | 44400篇 |
2003年 | 42433篇 |
2002年 | 41559篇 |
2001年 | 75768篇 |
2000年 | 78420篇 |
1999年 | 66466篇 |
1998年 | 17788篇 |
1997年 | 16386篇 |
1996年 | 16357篇 |
1995年 | 16062篇 |
1994年 | 15106篇 |
1993年 | 14252篇 |
1992年 | 55462篇 |
1991年 | 53816篇 |
1990年 | 52594篇 |
1989年 | 50879篇 |
1988年 | 47259篇 |
1987年 | 46585篇 |
1986年 | 44307篇 |
1985年 | 42859篇 |
1984年 | 32054篇 |
1983年 | 27586篇 |
1982年 | 16164篇 |
1981年 | 14461篇 |
1980年 | 13579篇 |
1979年 | 30478篇 |
1978年 | 21082篇 |
1977年 | 17781篇 |
1976年 | 16716篇 |
1975年 | 17596篇 |
1974年 | 21510篇 |
1973年 | 20683篇 |
1972年 | 18871篇 |
1971年 | 17779篇 |
1970年 | 16300篇 |
1969年 | 15286篇 |
1968年 | 13957篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
91.
Holly Wagoner 《Teaching and learning in medicine》2019,31(3):270-278
Phenomenon: Academic health centers face significant challenges trying to improve medical education while meeting patient care needs. In response to problems with traditional forms of didactic education, many residency programs have transitioned to Academic Half Day (AHD), a curricular model in which learning is condensed into half-day blocks. In this model, trainees have protected educational time free from clinical responsibilities. However, an understanding of the impact on attending physicians and patient care when residents depart clinical sites for learning activities has not been well described. We sought to explore attending physicians’ perspectives when residents depart clinical sites to attend AHD. Approach: We performed a qualitative study with a grounded theory approach using individual semistructured interviews (December 2016–April 2017) of attending physicians who worked at inpatient and emergency department clinical sites from which residents departed to attend AHD. We used the constant comparative method, generating codes using an iterative approach and continuing sampling until saturation was reached. Major themes were identified and disagreements were resolved by consensus. Findings: Fifteen attending physicians from 6 clinical services were interviewed. Data analysis yielded 5 themes: emotional strain of workload, technology and systems challenges, patient safety and care concerns, disrupted resident learning, and the challenge to optimize resident education. Attending physicians, already working on busy services, felt frustrated and perceived having an increased workload when residents departed for AHD. They were concerned about safely entering orders in the electronic health record, impeded patient workflow, and further disruption of resident schedules already disrupted by duty hour restrictions and continuity clinic. Attending physicians described the importance of experiential learning from caring for patients and from structured didactic learning; however, the optimal balance was uncertain. Insights: We found that attending physicians experienced significant emotional strain, faced technological challenges, and were concerned about impeded workflow and patient safety when residents departed clinical sites for AHD. This is likely to be true whenever residents are pulled out of the clinical setting for any reason. Educators need to partner with hospital administrators to provide appropriate support for attending physicians when residents leave clinical sites, evaluate the effectiveness of different educational models, and determine how structured learning activities fit into the overall curriculum. 相似文献
92.
93.
94.
Changes in Right Ventricular Shape and Deformation Following Coronary Artery Bypass Surgery—Insights from Echocardiography with Strain Rate and Magnetic Resonance Imaging
下载免费PDF全文
![点击此处可从《Echocardiography (Mount Kisco, N.Y.)》网站下载免费的PDF全文](/ch/ext_images/free.gif)
95.
96.
97.
98.
99.
100.
Gwyneth R. Milbrath MSN MPH RN Pamela B. DeGuzman PhD MBA RN 《Public health nursing (Boston, Mass.)》2015,32(4):349-358
Researchers interested in measuring neighborhood‐level effects should understand how “neighborhood” is defined within nursing sciences and other sciences, and the inherent strengths and weaknesses of current research methodologies. This concept analysis provides clarity around the concept of neighborhood within the context of health, analyzes the current state of development of the neighborhood concept, and proposes areas for future nursing research. Using the Rodger's Method of analysis, the concept of neighborhood within nursing and public health research is described based on existing literature. The concept's attributes, related concepts, antecedents, and consequences are given from the literature. Comparisons of the use of neighborhood are made between nursing, public health, sociology, and other sciences. The evolution of the concept of neighborhood throughout history is described, and important implications for future research are discussed. 相似文献