全文获取类型
收费全文 | 5665篇 |
免费 | 251篇 |
国内免费 | 10篇 |
专业分类
耳鼻咽喉 | 12篇 |
儿科学 | 237篇 |
妇产科学 | 212篇 |
基础医学 | 802篇 |
口腔科学 | 83篇 |
临床医学 | 241篇 |
内科学 | 1352篇 |
皮肤病学 | 66篇 |
神经病学 | 172篇 |
特种医学 | 74篇 |
外科学 | 348篇 |
综合类 | 488篇 |
预防医学 | 1399篇 |
眼科学 | 58篇 |
药学 | 185篇 |
中国医学 | 60篇 |
肿瘤学 | 137篇 |
出版年
2023年 | 138篇 |
2022年 | 136篇 |
2021年 | 194篇 |
2020年 | 252篇 |
2019年 | 139篇 |
2018年 | 212篇 |
2017年 | 184篇 |
2016年 | 203篇 |
2015年 | 197篇 |
2014年 | 285篇 |
2013年 | 319篇 |
2012年 | 258篇 |
2011年 | 253篇 |
2010年 | 260篇 |
2009年 | 222篇 |
2008年 | 209篇 |
2007年 | 226篇 |
2006年 | 195篇 |
2005年 | 177篇 |
2004年 | 200篇 |
2003年 | 173篇 |
2002年 | 146篇 |
2001年 | 129篇 |
2000年 | 111篇 |
1999年 | 102篇 |
1998年 | 47篇 |
1997年 | 34篇 |
1996年 | 49篇 |
1995年 | 44篇 |
1994年 | 47篇 |
1993年 | 14篇 |
1992年 | 94篇 |
1991年 | 98篇 |
1990年 | 104篇 |
1989年 | 59篇 |
1988年 | 56篇 |
1987年 | 42篇 |
1986年 | 11篇 |
1985年 | 28篇 |
1984年 | 28篇 |
1983年 | 45篇 |
1982年 | 25篇 |
1981年 | 17篇 |
1980年 | 17篇 |
1979年 | 10篇 |
1978年 | 12篇 |
1977年 | 13篇 |
1976年 | 8篇 |
1974年 | 12篇 |
1973年 | 14篇 |
排序方式: 共有5926条查询结果,搜索用时 15 毫秒
1.
《Health & place》2022
In recent years, there has been increased global advocacy for the use of a collaborative, multisectoral, and transdisciplinary approach: a One Health approach, with the goal to achieve optimal health outcomes for people, animals and their shared environment. This study explored One Health implementation and practice in Kenya. Further, I used a case study of Nthongoni, a remote rural area in Eastern Kenya, to help us to understand and think about implementation of One Health in an area where mainstream biomedical system runs parallel to or is in conflict with, a deeply entrenched indigenous health system. I used a qualitative research approach including participant observation, and key informant and general respondents' in-depth interviews. Data was transcribed verbatim, translated, checked for consistency and coded for content and thematic analysis. The findings indicate that although Kenya's One Health approach was hailed as a key strategy and a model for other countries in the region, the approach faced significant challenges including insufficient funding, competing priorities and concerns over its sustainability. But while the formal One Health is embroiled in structural and politico-economic influences that curtail its operationalization and success, this study illuminates a lay one health that is part of lived realities in Nthongoni, inviting us to reflect on the place for and status of traditional healers, and meaning of health for people and animals. The study further provokes our thoughts over whether One Health should integrate or do away with traditional health systems, or be abandoned altogether. I argue that incorporating traditional health knowledge and practitioners in One Health might help to make health care more robust and culturally responsive. The work contributes to debates on anthropology of health in general and to anthropological understanding of both the lay one health and the institutional One Health agenda. 相似文献
2.
3.
4.
6.
《Academic pediatrics》2022,22(3):470-477
ObjectivesSocial determinants of health are major drivers of health outcomes and quality of life. While several social needs screening tools have been created for use in primary care settings, the best procedures to incorporate these tools into hospital workflow remain unclear. This study aimed to elicit clinical stakeholder perspectives on proposed screening for social needs during pediatric hospitalizations, with particular focus on informing implementation strategies.MethodsWe conducted 23 semistructured interviews with pediatric clinical stakeholders (physicians, nurses, social workers, and case managers) at 1 tertiary and 2 community hospitals between July 2020 and January 2021, on topics including social needs screening practices, benefits and challenges to inpatient screening, and optimal screening and referral processes within hospital workflow. Interviews were recorded, professionally transcribed, and analyzed thematically.ResultsParticipants ranged in age from 25 to 62 years, with nearly half working in community hospitals. Regarding inpatient social needs screening, themes emerged about benefits, including enabling clinicians to identify vulnerable patients/moments, and providing clinicians with comprehensive understanding of social context; barriers, including prioritization of medical needs, lack of clinician education surrounding screening, and lack of pre-established relationships; facilitators, including duration of time spent with families, and multidisciplinary clinicians; screening process preferences, including verbal screening, and integration into pre-existing systems; and referral process preferences, including resource provision with family empowerment, and care transition to outpatient clinicians.ConclusionsClinical stakeholders identified multiple barriers, facilitators, and process preferences for pediatric inpatient social needs screening, which may inform the future development of feasible and sustainable implementation strategies. 相似文献
7.
8.
9.
Kenya has experienced an increase in the incidence of various types of cancers in the last few decades. This article highlights dietary factors as major contributors to this rising trend of cancer incidence in Kenya at the backdrop of an evolving diet. Literature search revealed that diet plays a major role in the etiology of various cancers with highest incidence rates in various categories of people in Kenya. Other than among children (≤15 years) and HIV/AIDs patients, diet-related cancers such as esophageal, colorectal, stomach, prostate and breast appear to predominate among Kenyans in various categories, i.e., young people (15?≤?30 years), adults (31?≤?65 years), and older people (>65 years). In the past few decades, Kenya has been undergoing nutritional transition characterized by departure from potentially cancer-protective traditional diets (mostly rich in dietary fiber, fruits, and vegetables) to “western diet” (rich in charred red/organ meats, fat, cholesterol, sugar, and salt) that poses elevated cancer risks. Other potentially carcinogenic factors that characterize the evolving Kenyan diet include; drinking of illicit and/or excess alcohol, traditional soot-laced sour milk, reuse of frying fats/oils, kerosene-laced meals, aflatoxin and agrochemical contaminated foods. The various plausible mechanisms of carcinogenesis of these dietary factors are discussed. 相似文献
10.
《Vaccine》2022,40(46):6631-6639
Rotavirus vaccination has been shown to reduce rotavirus burden in many countries, but the long-term magnitude of vaccine impacts is unclear, particularly in low-income countries. We use a transmission model to estimate the long-term impact of rotavirus vaccination on deaths and disability adjusted life years (DALYs) from 2006 to 2034 for 112 low- and middle-income countries. We also explore the predicted effectiveness of a one- vs two- dose series and the relative contribution of direct vs indirect effects to overall impacts. To validate the model, we compare predicted percent reductions in severe rotavirus cases with the percent reduction in rotavirus positivity among gastroenteritis hospital admissions for 10 countries with pre- and post-vaccine introduction data. We estimate that vaccination would reduce deaths from rotavirus by 49.1 % (95 % UI: 46.6–54.3 %) by 2034 under realistic coverage scenarios, compared to a scenario without vaccination. Most of this benefit is due to direct benefit to vaccinated individuals (explaining 69–97 % of the overall impact), but indirect protection also appears to enhance impacts. We find that a one-dose schedule would only be about 57 % as effective as a two-dose schedule 12 years after vaccine introduction. Our model closely reproduced observed reductions in rotavirus positivity in the first few years after vaccine introduction in select countries. Rotavirus vaccination is likely to have a substantial impact on rotavirus gastroenteritis and its mortality burden. To sustain this benefit, the complete series of doses is needed. 相似文献