全文获取类型
收费全文 | 3755篇 |
免费 | 819篇 |
国内免费 | 6篇 |
专业分类
耳鼻咽喉 | 14篇 |
儿科学 | 91篇 |
妇产科学 | 696篇 |
基础医学 | 8篇 |
口腔科学 | 8篇 |
临床医学 | 2752篇 |
内科学 | 320篇 |
皮肤病学 | 9篇 |
神经病学 | 126篇 |
特种医学 | 19篇 |
外科学 | 140篇 |
综合类 | 6篇 |
预防医学 | 274篇 |
药学 | 9篇 |
肿瘤学 | 108篇 |
出版年
2024年 | 16篇 |
2023年 | 177篇 |
2022年 | 18篇 |
2021年 | 50篇 |
2020年 | 118篇 |
2019年 | 26篇 |
2018年 | 173篇 |
2017年 | 212篇 |
2016年 | 271篇 |
2015年 | 229篇 |
2014年 | 268篇 |
2013年 | 311篇 |
2012年 | 79篇 |
2011年 | 164篇 |
2010年 | 184篇 |
2009年 | 333篇 |
2008年 | 157篇 |
2007年 | 126篇 |
2006年 | 109篇 |
2005年 | 80篇 |
2004年 | 100篇 |
2003年 | 73篇 |
2002年 | 65篇 |
2001年 | 82篇 |
2000年 | 34篇 |
1999年 | 99篇 |
1998年 | 114篇 |
1997年 | 111篇 |
1996年 | 112篇 |
1995年 | 106篇 |
1994年 | 76篇 |
1993年 | 55篇 |
1992年 | 51篇 |
1991年 | 58篇 |
1990年 | 59篇 |
1989年 | 35篇 |
1988年 | 27篇 |
1987年 | 22篇 |
1986年 | 20篇 |
1985年 | 35篇 |
1984年 | 18篇 |
1983年 | 26篇 |
1982年 | 18篇 |
1981年 | 18篇 |
1980年 | 13篇 |
1979年 | 10篇 |
1978年 | 14篇 |
1977年 | 7篇 |
1976年 | 12篇 |
1975年 | 3篇 |
排序方式: 共有4580条查询结果,搜索用时 0 毫秒
121.
122.
123.
124.
Marianne Baernholdt PhD MPH RN Guofen Yan PhD Ivora Hinton PhD Karen Rose PhD RN Meghan Mattos MSN CNL RN 《The Journal of rural health》2012,28(4):339-347
Purpose: The proportion of people over 65 years of age is higher in rural areas than in urban areas, and their numbers are expected to increase in the next decade. This study used Andersen's behavioral model to examine quality of life (QOL) in a nationally representative sample of community‐dwelling adults 65 years and older according to geographic location. Specifically, associations between 3 dimensions of QOL (health‐related QOL [HQOL], social functioning, and emotional well‐being) and needs and health behaviors were examined. Methods: The 2005‐2006 National Health and Nutrition Examination survey was linked with the 2007 Area Resources File via the National Center for Health Statistics’ remote access system. Frequencies and distribution patterns were assessed according to rural, adjacent, and urban locations. Findings: Older adults reported high levels of QOL; however, rural older adults had lower social functioning than their urban counterparts. Older blacks and Hispanics had lower scores than whites on 2 dimensions of QOL. Associations between QOL and needs and health behaviors varied. Although activities of daily living were associated with all 3 dimensions, others were associated with 1 or 2 dimensions. Conclusions: The lower scores on social functioning in rural areas suggest that rural older adults may be socially isolated. Older rural adults may need interventions to maintain physical and mental health, strengthen social relationships and support, and increase their participation in the community to promote QOL. In addition, older blacks and Hispanics seem more vulnerable than whites and may need more assistance. 相似文献
125.
126.
127.
Organisation‐based self‐esteem mediates the effects of social support and job satisfaction on intention to stay in nurses 下载免费PDF全文
128.
129.
130.
Mixed‐method research protocol: defining and operationalizing patient‐related complexity of nursing care in acute care hospitals 下载免费PDF全文