全文获取类型
收费全文 | 1207篇 |
免费 | 96篇 |
国内免费 | 8篇 |
专业分类
耳鼻咽喉 | 11篇 |
儿科学 | 83篇 |
妇产科学 | 70篇 |
基础医学 | 140篇 |
口腔科学 | 59篇 |
临床医学 | 117篇 |
内科学 | 232篇 |
皮肤病学 | 19篇 |
神经病学 | 74篇 |
特种医学 | 14篇 |
外国民族医学 | 5篇 |
外科学 | 130篇 |
综合类 | 3篇 |
预防医学 | 137篇 |
眼科学 | 11篇 |
药学 | 90篇 |
中国医学 | 4篇 |
肿瘤学 | 112篇 |
出版年
2024年 | 3篇 |
2023年 | 8篇 |
2022年 | 29篇 |
2021年 | 48篇 |
2020年 | 31篇 |
2019年 | 34篇 |
2018年 | 39篇 |
2017年 | 38篇 |
2016年 | 34篇 |
2015年 | 45篇 |
2014年 | 57篇 |
2013年 | 78篇 |
2012年 | 118篇 |
2011年 | 125篇 |
2010年 | 58篇 |
2009年 | 55篇 |
2008年 | 79篇 |
2007年 | 59篇 |
2006年 | 71篇 |
2005年 | 51篇 |
2004年 | 62篇 |
2003年 | 42篇 |
2002年 | 32篇 |
2001年 | 3篇 |
2000年 | 6篇 |
1999年 | 4篇 |
1998年 | 6篇 |
1997年 | 4篇 |
1996年 | 4篇 |
1994年 | 4篇 |
1993年 | 3篇 |
1992年 | 4篇 |
1991年 | 4篇 |
1989年 | 6篇 |
1988年 | 3篇 |
1987年 | 3篇 |
1985年 | 5篇 |
1984年 | 3篇 |
1983年 | 5篇 |
1982年 | 5篇 |
1981年 | 3篇 |
1980年 | 3篇 |
1979年 | 2篇 |
1978年 | 3篇 |
1973年 | 6篇 |
1970年 | 3篇 |
1967年 | 2篇 |
1965年 | 2篇 |
1964年 | 2篇 |
1962年 | 2篇 |
排序方式: 共有1311条查询结果,搜索用时 15 毫秒
21.
Tolley Elizabeth E. Hamilton Erica L. Eley Natalie Maragh-Bass Allysha C. Okumu Eunice Balán Iván C. Gamble Theresa Beyrer Chris Remien Robert 《AIDS and behavior》2022,26(9):3119-3130
AIDS and Behavior - Adherence to care and antiretroviral therapy is challenging, especially for people living with HIV (PLWH) with additional co-occurring risk factors. Case management... 相似文献
22.
Kihara Eunice Galic Ivan Nyamunga Donna Mehdi Fuad Velandia Palacio Luz Andrea Cameriere Roberto 《International journal of legal medicine》2022,136(5):1495-1506
International Journal of Legal Medicine - This study aimed to validate the accuracy of five different formulas based on the Cameriere method for age estimation in Kenyan children. We analyzed... 相似文献
23.
Lopes CV Pereira-Lima JC Hartmann AA Tonelotto E Salgado K 《Arquivos de gastroenterologia》2004,41(2):79-83
BACKGROUND: Barrett's esophagus is a well-known pre-malignant condition. Pathologic interpretation of biopsy specimens guides endoscopic surveillance as well as the therapeutic approach that will be carried out. However, the predictive value of histopathologic diagnosis can be questioned due to its poor intra- and interobserver reproducibility. AIMS: To assess intra- and interobserver variability in the diagnosis of Barrett's dysplasia. MATERIAL AND METHODS: Three-micrometer thick sections from biopsy specimens from 42 patients with Barrett's esophagus were stained with hematoxylin-eosin and PAS-alcian blue. The reading of the slides was carried out blindly in a light microscope. Intra and interobserver variability in the interpretation of the slides was determined by kappa statistics. RESULTS: The number of tissue specimens was 229, with average of 5.45 (1 to 18) fragments for patient. Low grade dysplasia was diagnosed by pathologists in 21.4% to 52.4% of the cases. The intra-observer agreement for the diagnosis of low grade dysplasia was slight (kappa = 0.30). The interobserver agreement for the diagnosis of low grade dysplasia was poor, with kappa scores between 0.05 and 0.16. The diagnosis of dysplasia, with agreement for all pathologists examining the same set of slides, was 14.3%. CONCLUSIONS: Pathologic interpretation of Barrett's dysplasia may be subject to marked intra- and interobserver variabiliaty. Interpretation of low grade dysplasia, as high grade dysplasia, should also be considered for review by two or more pathologists. 相似文献
24.
Peggy Mulongo Sue McAndrew Eunice Ayodeji 《International journal of mental health nursing》2021,30(1):235-248
Globally, the exodus of individuals who have been forced to flee their home and seek refuge in countries of safety has led to a refugee crisis. The United Kingdom (UK) has engaged with the United Nations High Commissioner for Refugees (UNHCR) in playing a significant role in the long‐term resettlement of refugees, half of whom are children and young people. One initiative of such humanitarian resettlement is the Gateway Protection Programme (GPP). To date, there is a dearth of studies investigating aspects of acculturation that affect the mental health of young refugees resettled under the UNHCR humanitarian programme. This study aimed to explore aspects of acculturation that could enhance the mental health of GPP young refugees several years after resettlement. Using narrative research, a purposive sample of 31 GPP young refugees, who had a minimum of three‐year stay in the UK, were recruited from local refugee community organizations. Data were collected through a multi‐method design combining focus group discussions (FGDs) with visual arts‐based narrative research (VABNR) and analysed thematically. Three overarching themes emerged: People and places; Its nearly all new to me; and Finding self. This study contributes important knowledge regarding the mental well‐being of young people who have engaged in a resettlement programme and offers valuable information for policymakers and mental health professionals working with GPP young refugees. 相似文献
25.
Implementation of evidence‐based dentistry into practice: analysis of awareness,perceptions and attitudes of dentists in the World Dental Federation–European Regional Organization zone
下载免费PDF全文
![点击此处可从《International dental journal》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Nermin Yamalik Secil Karakoca Nemli Eunice Carrilho Simona Dianiskova Paulo Melo Anna Lella Joel Trouillet Vladimer Margvelashvili 《International dental journal》2015,65(3):127-145
Based on evidence‐based dentistry (EBD) being a relatively new concept in dentistry, the attitudes, perceptions and level of awareness of dentists regarding EBD, and perceived barriers to its implementation into daily practice, were comparatively analysed in six countries of the FDI (World Dental Federation‐Federation Dentaire Internationale)‐European Regional Organization (ERO) zone (France, Georgia, Poland, Portugal, Slovakia and Turkey). For this purpose, a questionnaire, ‘The Relationship Between Dental Practitioners and Universities’, was developed by the FDI‐ERO Working Group and applied by National Dental Associations (NDAs). A total of 850 valid responses were received, and cumulative data, comparisons between countries and potential impact of demographic variables were analysed. Regarding EBD, similar percentages of respondents reported that they ‘know what it is’ (32.8%) and ‘they practice’ (32.1%). Most respondents believed that ‘EBD is beneficial’ (89.1%); however, they had different thoughts regarding ‘who actually benefited from EBD’. Of the participants, 60% believed that ‘dentists experience difficulties in implementing EBD’. Although lack of time, lack of education and limited availability of evidence‐based clinical guidelines were among the major barriers, there were differences among countries (P < 0.05). Significant differences were also observed between countries regarding certain questions such as ‘where EBD needed to be taught’ (P < 0.05), as both undergraduate and continuing education were suggested to be suitable. Age, practice mode and years of practice significantly affected many of the responses (P < 0.05). There was a general, positive attitude toward EBD; however, there was also a clear demand for more information and support to enhance dentists’ knowledge and use of EBD in everyday practice and a specific role for the NDAs. 相似文献
26.
Jos Pedro Martinho Sara Frana Siri Paulo Anabela Baptista Paula Ana Sofia Coelho Ana Margarida Abrantes Francisco Caramelo Eunice Carrilho Carlos Miguel Marto Maria Filomena Botelho Henrique Giro Manuel Marques-Ferreira 《Materials》2020,13(23)
(1) Aim: This study aims to analyze the in vitro infiltration of a silicate root canal sealer into dentinal tubules after using different endodontic irrigating solutions. (2) Methods: Twenty-nine teeth with single roots were separated into three groups according to the final irrigation protocol: G1 n = 10) = 17% EDTA (ethylenediaminetetraacetic acid) + 3.0% sodium hypochlorite (NaOCl), G2 (n = 10) = 17% EDTA + 2.0% chlorhexidine and G3 (Control group, n = 9) = 17% EDTA + saline solution. Root canals were filled using cold lateral compaction technique with MTA Fillapex sealer and gutta-percha. The sealer was labeled with rhodamine B. The teeth were segmented at the middle and third apical sections, which were visualized using 10× confocal laser microscopy to determine the sealer penetration percentage. (3) Results: In the apical section, no statistically significant differences were found between the groups regarding sealer penetration. In the middle section, Group 1 obtained the highest percentage, and Group 2 the lowest (p = 0.004). Group 1 also presented statistically significant differences in the Control Group (p = 0.031) and had close sealer penetration values. Meanwhile, the Control Group (p = 0.023) and Group 2 (p = 0.029) revealed a significant decrease of sealer penetration between the apical and middle sections. (4) Conclusion: The obtained results support that final irrigation with NaOCl promoted similar sealer penetration in the apical and middle sections. On the other hand, a significant decrease in the sealer penetration of the middle section was observed for the chlorhexidine and saline groups. Compared to other irrigant solutions, NaOCl promotes more uniform sealer penetration, which can correlate with better sealing and, consequently, higher endodontic treatment success. 相似文献
27.
Lusine Nazaryan Eunice G Stefanou Claus Hansen Nadezda Kosyakova Mads Bak Freddie H Sharkey Theodora Mantziou Anastasios D Papanastasiou Voula Velissariou Thomas Liehr Maria Syrrou Niels Tommerup 《European journal of human genetics : EJHG》2014,22(3):338-343
Next-generation mate-pair sequencing (MPS) has revealed that many constitutional complex chromosomal rearrangements (CCRs) are associated with local shattering of chromosomal regions (chromothripsis). Although MPS promises to identify the molecular basis of the abnormal phenotypes associated with many CCRs, none of the reported mate-pair sequenced complex rearrangements have been simultaneously studied with state-of-the art molecular cytogenetic techniques. Here, we studied chromothripsis-associated CCR involving chromosomes 2, 5 and 7, associated with global developmental and psychomotor delay and severe speech disorder. We identified three truncated genes: CDH12, DGKB and FOXP2, confirming the role of FOXP2 in severe speech disorder, and suggestive roles of CDH12 and/or DGKB for the global developmental and psychomotor delay. Our study confirmes the power of MPS for detecting breakpoints and truncated genes at near nucleotide resolution in chromothripsis. However, only by combining MPS data with conventional G-banding and extensive fluorescence in situ hybridizations could we delineate the precise structure of the derivative chromosomes. 相似文献
28.
29.
Molecular characterization of β-thalassemia (β-thal) is essential in prevention and in understanding the biology of the disease. Deletion mutations are relatively uncommon in β-thal. In this report, we describe a novel 26 bp deletion from codon 6 to codon 14 in the β-globin in a consanguineous family from Tamil Nadu, India. This novel mutation causes a shift in the normal reading frame of the β-globin coding sequence, and consequently, a premature chain termination of translation due to the creation of a stop codon at the position of codon 21. The identification of this novel deletional mutation adds to the repertoire of β-thal mutations in India. 相似文献
30.
Although the popularity of including figural fluency tests in cognitive and neuropsychological test batteries has increased in recent years, the spontaneous use of strategies on these measures remains poorly understood. This study addressed three questions pertaining to strategy use on the Ruff Figural Fluency Test (RFFT): (i) how common is strategy use, (ii) what information does strategy use convey, and (iii) can examinees learn to use strategies. Findings revealed that nearly seven out of 10 healthy college students used a strategy at least once while taking the RFFT. The number of strategies used and the number of figures produced using a strategy had modest correlations with select executive function measures (D-KEFS Tower Test, Sorting, and Letter & Category Verbal Fluency) in hypothesized directions. When strategies were demonstrated for subjects who did not spontaneously use them, those subjects were able to subsequently use strategies. These findings suggest that although common, failure to spontaneously use a strategy is not unusual. Further, strategy use may reflect a cognitive asset, particularly regarding planning, reasoning, and cognitive flexibility. 相似文献