全文获取类型
收费全文 | 3521篇 |
免费 | 191篇 |
国内免费 | 4篇 |
专业分类
耳鼻咽喉 | 17篇 |
儿科学 | 177篇 |
妇产科学 | 61篇 |
基础医学 | 466篇 |
口腔科学 | 58篇 |
临床医学 | 224篇 |
内科学 | 620篇 |
皮肤病学 | 87篇 |
神经病学 | 238篇 |
特种医学 | 92篇 |
外科学 | 392篇 |
综合类 | 204篇 |
一般理论 | 1篇 |
预防医学 | 247篇 |
眼科学 | 54篇 |
药学 | 294篇 |
中国医学 | 15篇 |
肿瘤学 | 469篇 |
出版年
2023年 | 17篇 |
2022年 | 51篇 |
2021年 | 97篇 |
2020年 | 55篇 |
2019年 | 49篇 |
2018年 | 76篇 |
2017年 | 56篇 |
2016年 | 81篇 |
2015年 | 82篇 |
2014年 | 110篇 |
2013年 | 156篇 |
2012年 | 221篇 |
2011年 | 233篇 |
2010年 | 170篇 |
2009年 | 108篇 |
2008年 | 191篇 |
2007年 | 184篇 |
2006年 | 176篇 |
2005年 | 142篇 |
2004年 | 139篇 |
2003年 | 138篇 |
2002年 | 134篇 |
2001年 | 117篇 |
2000年 | 90篇 |
1999年 | 84篇 |
1998年 | 29篇 |
1997年 | 25篇 |
1996年 | 18篇 |
1995年 | 26篇 |
1994年 | 21篇 |
1993年 | 27篇 |
1992年 | 46篇 |
1991年 | 48篇 |
1990年 | 40篇 |
1989年 | 30篇 |
1988年 | 34篇 |
1987年 | 25篇 |
1986年 | 24篇 |
1985年 | 24篇 |
1984年 | 21篇 |
1983年 | 25篇 |
1979年 | 27篇 |
1977年 | 17篇 |
1976年 | 19篇 |
1975年 | 15篇 |
1974年 | 17篇 |
1973年 | 16篇 |
1972年 | 15篇 |
1971年 | 16篇 |
1968年 | 13篇 |
排序方式: 共有3716条查询结果,搜索用时 0 毫秒
41.
42.
43.
44.
45.
Elaine C. Khoong Natalie A. Rivadeneira Lucia Pacca Dean Schillinger David Lown Palav Babaria Neha Gupta Rajiv Pramanik Helen Tran Tyler Whitezell Ma Somsouk Urmimala Sarkar 《Journal of general internal medicine》2023,38(1):21
BackgroundInequitable follow-up of abnormal cancer screening tests may contribute to racial/ethnic disparities in colon and breast cancer outcomes. However, few multi-site studies have examined follow-up of abnormal cancer screening tests and it is unknown if racial/ethnic disparities exist.ObjectiveThis report describes patterns of performance on follow-up of abnormal colon and breast cancer screening tests and explores the extent to which racial/ethnic disparities exist in public hospital systems.DesignWe conducted a retrospective cohort study using data from five California public hospital systems. We used multivariable robust Poisson regression analyses to examine whether patient-level factors or site predicted receipt of follow-up test.Main MeasuresUsing data from five public hospital systems between July 2015 and June 2017, we assessed follow-up of two screening results: (1) colonoscopy after positive fecal immunochemical tests (FIT) and (2) tissue biopsy within 21 days after a BIRADS 4/5 mammogram.Key ResultsOf 4132 abnormal FITs, 1736 (42%) received a follow-up colonoscopy. Older age, Medicaid insurance, lack of insurance, English language, and site were negatively associated with follow-up colonoscopy, while Hispanic ethnicity and Asian race were positively associated with follow-up colonoscopy. Of 1702 BIRADS 4/5 mammograms, 1082 (64%) received a timely biopsy; only site was associated with timely follow-up biopsy.ConclusionDespite the vulnerabilities of public-hospital-system patients, follow-up of abnormal cancer screening tests occurs at rates similar to that of patients in other healthcare settings, with colon cancer screening test follow-up occurring at lower rates than follow-up of breast cancer screening tests. Site-level factors have larger, more consistent impact on follow-up rates than patient sociodemographic traits. Resources are needed to identify health system–level factors, such as test follow-up processes or data infrastructure, that improve abnormal cancer screening test follow-up so that effective health system–level interventions can be evaluated and disseminated.Supplementary InformationThe online version contains supplementary material available at 10.1007/s11606-022-07657-4.KEY WORDS: safety-net system, cancer screening, colon cancer, breast cancer, cancer disparities 相似文献
46.
47.
48.
49.
50.
Madhurima Sarkar Lindsey Asti Kristine M. Nacion Deena J. Chisolm 《Journal of immigrant and minority health / Center for Minority Public Health》2016,18(3):608-615
Health literacy (HL) research among Hispanics currently focuses on individuals with limited English proficiency but impacts of HL on healthcare outcomes among other English language proficiency groups is relatively unknown. Regression models assessed associations between HL and healthcare outcomes for Hispanics overall (n = 4013) and for proficiency level sub-populations using the 2007 Pew Hispanic Health Survey. Overall, Hispanics with adequate HL percieved US medical care as “excellent,” were more satisfied with their doctor’s help, and reported “excellent” overall health. In the sub-population analysis, “excellent” perception of US healthcare was associated with HL among the Spanish and English dominant groups. Among bilinguals, adequate HL was associated with decreased use of traditional medicine. The effect of adequate HL varied within English proficiency groups. HL research that focuses only on Spanish dominant speakers can exclude a substantial percentage of English proficient or bilingual populations who have low HL. 相似文献