全文获取类型
收费全文 | 269篇 |
免费 | 5篇 |
国内免费 | 7篇 |
专业分类
耳鼻咽喉 | 3篇 |
儿科学 | 29篇 |
妇产科学 | 2篇 |
基础医学 | 82篇 |
口腔科学 | 4篇 |
临床医学 | 22篇 |
内科学 | 26篇 |
皮肤病学 | 3篇 |
神经病学 | 25篇 |
特种医学 | 17篇 |
外科学 | 13篇 |
综合类 | 19篇 |
预防医学 | 16篇 |
药学 | 17篇 |
中国医学 | 3篇 |
出版年
2023年 | 3篇 |
2022年 | 4篇 |
2021年 | 7篇 |
2020年 | 7篇 |
2019年 | 12篇 |
2018年 | 10篇 |
2017年 | 6篇 |
2016年 | 8篇 |
2015年 | 4篇 |
2014年 | 14篇 |
2013年 | 12篇 |
2012年 | 10篇 |
2011年 | 13篇 |
2010年 | 4篇 |
2009年 | 11篇 |
2008年 | 13篇 |
2007年 | 14篇 |
2006年 | 8篇 |
2005年 | 4篇 |
2004年 | 4篇 |
2003年 | 3篇 |
2002年 | 4篇 |
2001年 | 9篇 |
2000年 | 4篇 |
1999年 | 4篇 |
1998年 | 5篇 |
1997年 | 4篇 |
1996年 | 8篇 |
1995年 | 5篇 |
1994年 | 6篇 |
1993年 | 3篇 |
1992年 | 5篇 |
1991年 | 3篇 |
1990年 | 2篇 |
1989年 | 3篇 |
1988年 | 7篇 |
1986年 | 6篇 |
1985年 | 3篇 |
1984年 | 3篇 |
1982年 | 4篇 |
1981年 | 2篇 |
1979年 | 3篇 |
1978年 | 1篇 |
1977年 | 2篇 |
1976年 | 3篇 |
1975年 | 1篇 |
1974年 | 2篇 |
1973年 | 3篇 |
1972年 | 1篇 |
1971年 | 3篇 |
排序方式: 共有281条查询结果,搜索用时 15 毫秒
1.
2.
3.
《Diabetes & Metabolic Syndrome: Clinical Research & Reviews》2022,16(9):102606
Background and aimsAlteration of the hydration status with the use of sodium-glucose co-transporter- 2 inhibitors (SGLT2i) during the Holy Ramadan has not been studied in depth. Precisely, we aimed to detect the potential alteration of hydration status in adult Muslims with type 2 diabetes mellitus (T2D) who used SGLT2i during Ramadan.MethodsAn observational non-interventional study included 245 patients with type 2 diabetes mellitus of matched age and sex. The study included 3 groups: empagliflozin group; 87 patients, dapagliflozin group; 85 patients and control group; 73 patients without the use of SGLT2i. Participants in each group were well-settled on their medications for more than 3 months before the onset of Ramadan. Clinical and biochemical parameters of hydration status were evaluated during the last week of Ramadan.ResultsWe noticed a higher prevalence of orthostatic dizziness and postural hypotension among SGLT2i users than non-SGLT2i users (p < 0.001). The mean arterial blood pressure was significantly lowered among users of empagliflozin and dapagliflozin than non-SGLT2i users; 93.7 ± 5.1 and 93.1 ± 6.9 versus 106.2 ± 4.3, p < 0.001, respectively. Moreover, patients who used empagliflozin or dapagliflozin exhibited significantly higher values of urine specific gravity; 1029.6 ± 1.5 and 1029.1 ± 1.6 versus 1016.9 ± 4.4, p < 0.001, serum osmolality; 300.7 ± 10.2 and 297.8 ± 8.9 versus 290.9 ± 6.7, p < 0.001, and BUN/creatinine ratio; 24.1 ± 4.1 and 23.2 ± 4.6 versus 16.3 ± 4.2, p < 0.001 than non-SGLT2i users.ConclusionSignificant clinical and biochemical markers of dehydration were noticed among users of SGLT2i during the Holy Ramadan. 相似文献
4.
Muralikrishnan Angamuthu Vijay Kumar Shankar S. Narasimha Murthy 《Journal of pharmaceutical sciences》2018,107(6):1656-1666
Unique properties of thermodynamic activity of solvents in topical semisolids and its effects on in vitro product performance have not been fully understood. Mechanistic investigation was undertaken to demonstrate the significance of thermodynamic potential of solvents [water activity (aw) or solvent activity (as)] on in vitro performance of model topical formulations. Drug transport across synthetic membranes was found to decrease with decreasing water activity of formulations. Similarly, in vitro permeation of model permeant (caffeine) across porcine epidermis was found to decrease with decreasing water activity of formulations. Notably, relatively low water activity formulations (aw, 0.78) induced dehydration in porcine skin associated with significant structural changes like detachment of individual stratum corneum layers. Inclusion of hydrating agents (propylene glycol) in low water activity (aw, 0.78) formulations restored hydration levels and structural integrity of porcine skin. Most importantly, incremental inclusion of propylene glycol in low water activity formulations (aw, 0.78) enhanced in vitro permeation of model permeant (fluorescein sodium). Further investigation revealed that variability in processing conditions (high shear mixing during emulsification step) could modulate water activity in semisolid formulations despite their compositional sameness. In retrospect, water activity was found to be a critical quality attribute of topical semisolid products which impacts overall product performance and drug delivery. 相似文献
5.
Meriones shawi (M. shawi) is a particular semi-desert rodent known by its resistance to long periods of thirst. The aim of the present investigation is to clarify the underlying mechanisms allowing M. shawi to resist to hard conditions of dehydration. For this reason we used two different approaches: i) a morphometric study, which consists in measuring the effect of dehydration on body and kidneys weights as well as the report kidney weight/body weight, ii) By immunohistochemistry, we proceed to study the effect of dehydration on the immunoreactivity of central vasopressin (AVP) and the kidney aquaporin-2 (AQP-2) which is a channel protein that allows water to permeate across cell membranes. Our results showed both a body mass decrease accompanied by a remarkable kidneys hypertrophy. The immunohistochemical study showed a significant increase of AQP-2 immunoreactivity in the medullar part of Meriones kidneys allowing probably to Meriones a great ability to water retention. Consistently, we demonstrate that the increased AQP-2 expression occurred together with an increase in vasopressin (AVP) expression in both hypothalamic supraoptic (SON) and paraventricular nucleus (PVN), which are a major hub in the osmotic control circuitry.These various changes seen either in body weight and kidneys or at the cellular level might be the basis of peripheral control of body water homeostasis, providing to M. shawia strong resistance against chronic dehydration. 相似文献
6.
7.
温宝良 《实用中医内科杂志》2014,(2):97-99
[目的]观察丹红注射液联合西药及早期心理干预与康复训练治疗脑卒中后抑郁疗效。[方法]使用随机平行对照方法,将80例门诊及住院患者按随机数字表法分为两组。对照组40例脱水、脑保护及对症治疗,生命体征稳定48h后,心理干预,康复训练(运动治疗及作业治疗)。治疗组40例丹红注射液30mL+5%葡萄糖250mL,1次/d,静滴;糖尿病:生理盐水250mL。西医治疗同对照组。连续治疗14d为1疗程。观测HAMD评分、ADL评分、不良反应。连续治疗2疗程,判定疗效。[结果]HAMD及ADL评分两组均有改善(P0.05),治疗组改善优于对照组(P0.05)。[结论]丹红注射液联合西药及早期心理干预与康复训练治疗脑卒中后抑郁效果显著,值得推广。 相似文献
8.
An international consensus report on a new algorithm for the management of infant diarrhoea 下载免费PDF全文
Marc Benninga Ilse Broekaert Jackie Falconer Frederic Gottrand Carlos Lifschitz Paolo Lionetti Rok Orel Alexandra Papadopoulou Carmen Ribes‐Koninckx Silvia Salvatore Raanan Shamir Michela Schäppi Annamaria Staiano Hania Szajewska Nikhil Thapar Michael Wilschanski Alfredo Guarino 《Acta paediatrica (Oslo, Norway : 1992)》2016,105(8):e384-e389
9.
10.