全文获取类型
收费全文 | 508篇 |
免费 | 37篇 |
国内免费 | 1篇 |
专业分类
耳鼻咽喉 | 5篇 |
儿科学 | 12篇 |
妇产科学 | 11篇 |
基础医学 | 78篇 |
口腔科学 | 5篇 |
临床医学 | 70篇 |
内科学 | 144篇 |
皮肤病学 | 8篇 |
神经病学 | 40篇 |
特种医学 | 21篇 |
外科学 | 49篇 |
综合类 | 20篇 |
预防医学 | 35篇 |
眼科学 | 5篇 |
药学 | 30篇 |
肿瘤学 | 13篇 |
出版年
2024年 | 1篇 |
2023年 | 5篇 |
2022年 | 22篇 |
2021年 | 28篇 |
2020年 | 10篇 |
2019年 | 21篇 |
2018年 | 19篇 |
2017年 | 15篇 |
2016年 | 17篇 |
2015年 | 12篇 |
2014年 | 29篇 |
2013年 | 25篇 |
2012年 | 33篇 |
2011年 | 45篇 |
2010年 | 19篇 |
2009年 | 13篇 |
2008年 | 34篇 |
2007年 | 19篇 |
2006年 | 21篇 |
2005年 | 13篇 |
2004年 | 23篇 |
2003年 | 26篇 |
2002年 | 28篇 |
2001年 | 9篇 |
2000年 | 10篇 |
1999年 | 4篇 |
1998年 | 1篇 |
1997年 | 6篇 |
1996年 | 2篇 |
1995年 | 3篇 |
1994年 | 3篇 |
1993年 | 2篇 |
1992年 | 7篇 |
1991年 | 3篇 |
1990年 | 1篇 |
1989年 | 2篇 |
1988年 | 1篇 |
1986年 | 5篇 |
1985年 | 2篇 |
1984年 | 4篇 |
1983年 | 1篇 |
1978年 | 1篇 |
1973年 | 1篇 |
排序方式: 共有546条查询结果,搜索用时 0 毫秒
541.
Faiza Morado Roland Davoudi Pnada Kawewat-Ho Neha Nanda Rachel Cartus Suhail A. Shaikh 《Transplant infectious disease》2023,25(4):e14086
Background
Coronavirus disease 2019 (COVID-19) continues to negatively impact solid organ transplant recipients (SOTr). Data on the use of tixagevimab–cilgavimab (tix-cil) in vaccinated SOTr during circulation of Omicron and its subvariants are limited. Therefore, this single-center review was conducted to evaluate tix-cil efficacy in multiple organ transplant groups during a study period where Omicron B.1.1.529, BA.2.12.1, and BA.5 predominated.Methods
In this single-center retrospective study, we evaluated the incidence of COVID-19 infection in adult SOTr who did or did not receive pre-exposure prophylaxis (PrEP) with tix-cil. SOTr were included if they were at least 18 years of age and met emergency use authorization criteria for tix-cil use. The primary outcome analyzed was the incidence of COVID-19 infection.Results
Ninety SOTr met inclusion criteria and comprised of two groups, tix-cil PrEP (n = 45) and no tix-cil PrEP (n = 45). Of SOTr who received tix-cil PrEP, three (6.7%) developed COVID-19 infection, compared to eight (17.8%) in the no tix-cil PrEP group (p = .20). Of the 11 SOTr diagnosed with COVID-19, 15 (82.2%) were fully vaccinated against COVID-19 prior to transplantation. Moreover, 18.2% and 81.8% of the COVID-19 cases observed were asymptomatic and mild-to-moderate, respectively.Discussion
Our study results, which included months when BA.5 was in increased circulation, suggest no significant difference in COVID-19 infection with or without use of tix-cil PrEP in our solid organ transplant groups. As the COVID-19 pandemic continues to evolve, clinical utility of tix-cil should be evaluated against new, emerging strains.
542.
543.
Faiza Saleem Khalid Mohammed Khan Nisar Ullah Musa Özil Nimet Baltaş Shehryar Hameed Uzma Salar Abdul Wadood Ashfaq Ur Rehman Mukesh Kumar Muhammad Taha Syed Moazzam Haider 《Archiv der Pharmazie》2023,356(1):2200400
Herein, a library of novel pyridone derivatives 1–34 was designed, synthesized, and evaluated for α-amylase and α-glucosidase inhibitory as well as antioxidant activities. Pyridone derivatives 1–34 were synthesized via a one-pot multi-component reaction of variously substituted aromatic aldehydes, acetophenone, ethyl cyanoacetate, and ammonium acetate in absolute ethanol. Synthetic compounds 1–34 were structurally characterized by different spectroscopic techniques. Most of the tested compounds showed more promising inhibition potential than the standard acarbose (IC50 = 14.87 ± 0.16 µM) but compounds 13 and 12 were found to be the most potent compounds with IC50 values of 9.20 ± 0.14 µM and 3.05 ± 0.18 µM against α-amylase and α-glucosidase enzymes, respectively. Compounds 1–34 also displayed moderate antioxidant potential in the range of IC50 = 96.50 ± 0.45 to 189.98 ± 1.00 µM in comparison to the control butylated hydroxytoluene (BHT) (IC50 = 66.50 ± 0.36 µM), in DPPH radical scavenging activities. Additionally, all synthetic derivatives were subjected to a molecular docking study to investigate the interaction details of compounds 1–34 (ligands) with the active site of enzymes (receptors). These results indicate that the newly synthesized pyridone class may serve as promising lead candidates for controlling diabetes mellitus and as antioxidants. 相似文献
544.
Rehab Ali Nader Al-Dewik Shayma Mohammed Mahmud Elfituri Sahar Agouba Sara Musa Laila Mahmoud Mariam Almulla Karen El-Akouri Howaida Mohd Reem Bux Hajer Almulla Amna Othman Fatma Al-Mesaifri Noora Shahbeck Mariam Al-Muriekhi Amal Khalifa Reem Al-Sulaiman Tawfeg Ben-Omran 《American journal of medical genetics. Part A》2022,188(1):116-129
Woodhouse-Sakati syndrome (WSS) is a rare autosomal recessive neuroendocrine and ectodermal disorder caused by variants in the DCAF17 gene. In Qatar, the c.436delC variant has been reported as a possible founder pathogenic variant with striking phenotypic heterogeneity. In this retrospective study, we report on the clinical and molecular characteristics of additional 58 additional Qatari patients with WSS and compare them to international counterparts' findings. A total of 58 patients with WSS from 32 consanguineous families were identified. Ectodermal and endocrine (primary hypogonadism) manifestations were the most common presentations (100%), followed by diabetes mellitus (46%) and hypothyroidism (36%). Neurological manifestations were overlapping among patients with intellectual disability (ID) being the most common (75%), followed by sensorineural hearing loss (43%) and both ID and aggressive behavior (10%). Distinctive facial features were noted in all patients and extrapyramidal manifestations were uncommon (8.6%). This study is the largest to date on Qatari patients with WSS and highlights the high incidence and clinical heterogeneity of WSS in Qatar due to a founder variant c.436delC in the DCAF17 gene. Early suspicion of WSS among Qatari patients with hypogonadism and ID, even in the absence of other manifestations, would shorten the diagnostic odyssey, guide early and appropriate management, and avoid potential complications. 相似文献
545.
Faiza Chbel Hicham Charroute Redouane Boulouiz Hasna Hamdaoui Houssein Mossafa Houda Benrahma Karim Ouldim 《Clinical Case Reports》2022,10(3)
Myoclonus–dystonia (M‐D) is a pleiotropic neuropsychiatric disorder with autosomal dominant mode of inheritance with variable severity and incomplete penetrance. Pathogenic variants in ξ‐sarcoglycan gene SGCE are the most frequently known genetic cause of M‐D with maternal imprinting, and in most cases, a symptomatic individual inherits the pathogenic variant from his or her father. This work reported a missense mutation c.662G> T inherited in the M‐D Moroccan family described for the first time, which is deleterious based on protein modeling analysis. 相似文献
546.
Faiza Al Zadjali PhD Jane Brooks PhD Terence W. O'Neill PhD Emma Stanmore PhD 《Health expectations》2023,26(6):2278-2292