全文获取类型
| 收费全文 | 959837篇 |
| 免费 | 69002篇 |
| 国内免费 | 1513篇 |
专业分类
| 耳鼻咽喉 | 13516篇 |
| 儿科学 | 24908篇 |
| 妇产科学 | 23763篇 |
| 基础医学 | 136869篇 |
| 口腔科学 | 29079篇 |
| 临床医学 | 82544篇 |
| 内科学 | 190204篇 |
| 皮肤病学 | 19632篇 |
| 神经病学 | 74769篇 |
| 特种医学 | 37756篇 |
| 外国民族医学 | 79篇 |
| 外科学 | 156794篇 |
| 综合类 | 18173篇 |
| 现状与发展 | 1篇 |
| 一般理论 | 236篇 |
| 预防医学 | 62813篇 |
| 眼科学 | 21774篇 |
| 药学 | 74837篇 |
| 3篇 | |
| 中国医学 | 2226篇 |
| 肿瘤学 | 60376篇 |
出版年
| 2018年 | 9501篇 |
| 2017年 | 7447篇 |
| 2016年 | 8272篇 |
| 2015年 | 9413篇 |
| 2014年 | 12713篇 |
| 2013年 | 18440篇 |
| 2012年 | 25627篇 |
| 2011年 | 26682篇 |
| 2010年 | 15756篇 |
| 2009年 | 15055篇 |
| 2008年 | 26135篇 |
| 2007年 | 27394篇 |
| 2006年 | 28120篇 |
| 2005年 | 27021篇 |
| 2004年 | 26114篇 |
| 2003年 | 25168篇 |
| 2002年 | 24689篇 |
| 2001年 | 55391篇 |
| 2000年 | 57233篇 |
| 1999年 | 47604篇 |
| 1998年 | 11084篇 |
| 1997年 | 9772篇 |
| 1996年 | 9861篇 |
| 1995年 | 9159篇 |
| 1994年 | 8489篇 |
| 1993年 | 7796篇 |
| 1992年 | 35969篇 |
| 1991年 | 34338篇 |
| 1990年 | 33126篇 |
| 1989年 | 32286篇 |
| 1988年 | 29355篇 |
| 1987年 | 28572篇 |
| 1986年 | 26619篇 |
| 1985年 | 25462篇 |
| 1984年 | 18097篇 |
| 1983年 | 15346篇 |
| 1982年 | 7918篇 |
| 1981年 | 6879篇 |
| 1979年 | 16005篇 |
| 1978年 | 10742篇 |
| 1977年 | 9201篇 |
| 1976年 | 7961篇 |
| 1975年 | 8740篇 |
| 1974年 | 10593篇 |
| 1973年 | 9973篇 |
| 1972年 | 9462篇 |
| 1971年 | 8972篇 |
| 1970年 | 8531篇 |
| 1969年 | 8043篇 |
| 1968年 | 7335篇 |
排序方式： 共有10000条查询结果，搜索用时 15 毫秒
131.
132.
133.
Yukiyo Shimizu Hideki Kadone Shigeki Kubota Kenji Suzuki Kousaku Saotome Tomoyuki Ueno 《The journal of spinal cord medicine》2019,42(4):460-468
Context: We sought to describe our experience with the Hybrid Assistive Limb® (HAL®) for active knee extension and voluntary ambulation with remaining muscle activity in a patient with complete paraplegia after spinal cord injury.
Findings: A 30-year-old man with complete paraplegia used the HAL® for 1 month (10 sessions) using his remaining muscle activity, including hip flexor and upper limb activity. Electromyography was used to evaluate muscle activity of the gluteus maximus, tensor fascia lata, quadriceps femoris, and hamstring muscles in synchronization with the Vicon motion capture system. A HAL® session included a knee extension session with the hip flexor and voluntary gait with upper limb activity. After using the HAL® for one month, the patient’s manual muscle hip flexor scores improved from 1/5 to 2/5 for the right and from 2/5 to 3/5 for the left knee, and from 0/5 to 1/5 for the extension of both knees.
Conclusion/clinical relevance: Knee extension sessions with HAL®, and hip flexor and upper-limb-triggered HAL® ambulation seem a safe and feasible option in a patient with complete paraplegia due to spinal cord injury. 相似文献
134.
135.
136.
137.
Die Anaesthesiologie - Das Management des schwierigen Atemwegs ist eine präklinische Schlüsselqualifikation. Für Notärzte mit hohem Erfahrungsgrad im Atemwegsmanagement sind... 相似文献
138.
Hanna Lee Mary K. Tan Andrew T. Yan Paul Angaran Paul Dorian Claudia Bucci Jean C. Gregoire Alan D. Bell Martin S. Green Peter L. Gross Allan Skanes Charles R. Kerr L. Brent Mitchell Jafna L. Cox Vidal Essebag Brett Heilbron Krishnan Ramanathan Carl Fournier Shaun G. Goodman 《The Canadian journal of cardiology》2019,35(2):160-168
Background
Physicians treating nonvalvular atrial fibrillation (AF) assess stroke and bleeding risks when deciding on anticoagulation. The agreement between empirical and physician-estimated risks is unclear. Furthermore, the association between patient and physician sex and anticoagulation decision-making is uncertain.Methods
We pooled data from 2 national primary care physician chart audit databases of patients with AF (Facilitating Review and Education to Optimize Stroke Prevention in Atrial Fibrillation and Coordinated National Network to Engage Physicians in the Care and Treatment of Patients with Atrial Fibrillation Chart Audit) with a combined 1035 physicians (133 female, 902 male) and 10,927 patients (4567 female and 6360 male).Results
Male physicians underestimated stroke risk in female patients and overestimated risk in male patients. Female physicians estimated stroke risk well in female patients but underestimated the risk in male patients. Risk of bleeding was underestimated in all. Despite differences in risk assessment by physician and patient sex, > 90% of patients received anticoagulation across all subgroups. There was modest agreement between physician estimated and calculated (ie, CHADS2 score) stroke risk: Kappa scores were 0.41 (0.35-0.47) for female physicians and 0.34 (0.32-0.36) for male physicians.Conclusions
Our study is the first to examine the association between patient and physician sex influences and stroke and bleeding risk estimation in AF. Although there were differences in agreement between physician estimated stroke risk and calculated CHADS2 scores, these differences were small and unlikely to affect clinical practice; further, despite any perceived differences in the accuracy of risk assessment by sex, most patients received anticoagulation. 相似文献139.
K. A. Harding M. E. Pushpanathan S. R. Whitworth S. Nanthakumar R. S. Bucks T. C. Skinner 《Diabetic medicine》2019,36(12):1600-1611
140.
C. Jacquet F. Goehringer E. Baux J.A. Conrad M.O. Ganne Devonec J.L. Schmutz G. Mathey H. Tronel T. Moulinet I. Chary-Valckenaere T. May C. Rabaud 《Médecine et maladies infectieuses》2019,49(2):112-120