全文获取类型
收费全文 | 26230篇 |
免费 | 1175篇 |
国内免费 | 367篇 |
专业分类
耳鼻咽喉 | 31篇 |
儿科学 | 26篇 |
妇产科学 | 89篇 |
基础医学 | 459篇 |
口腔科学 | 86篇 |
临床医学 | 3399篇 |
内科学 | 1825篇 |
皮肤病学 | 42篇 |
神经病学 | 220篇 |
特种医学 | 667篇 |
外国民族医学 | 12篇 |
外科学 | 3011篇 |
综合类 | 9728篇 |
预防医学 | 1284篇 |
眼科学 | 856篇 |
药学 | 4000篇 |
118篇 | |
中国医学 | 1646篇 |
肿瘤学 | 273篇 |
出版年
2024年 | 221篇 |
2023年 | 797篇 |
2022年 | 949篇 |
2021年 | 1184篇 |
2020年 | 960篇 |
2019年 | 812篇 |
2018年 | 319篇 |
2017年 | 551篇 |
2016年 | 570篇 |
2015年 | 578篇 |
2014年 | 1059篇 |
2013年 | 969篇 |
2012年 | 1332篇 |
2011年 | 1422篇 |
2010年 | 1329篇 |
2009年 | 1318篇 |
2008年 | 1638篇 |
2007年 | 1420篇 |
2006年 | 1242篇 |
2005年 | 1481篇 |
2004年 | 1283篇 |
2003年 | 1289篇 |
2002年 | 1066篇 |
2001年 | 854篇 |
2000年 | 555篇 |
1999年 | 512篇 |
1998年 | 393篇 |
1997年 | 373篇 |
1996年 | 319篇 |
1995年 | 267篇 |
1994年 | 185篇 |
1993年 | 102篇 |
1992年 | 117篇 |
1991年 | 91篇 |
1990年 | 90篇 |
1989年 | 73篇 |
1988年 | 4篇 |
1987年 | 17篇 |
1986年 | 13篇 |
1985年 | 8篇 |
1984年 | 4篇 |
1983年 | 3篇 |
1982年 | 1篇 |
1981年 | 1篇 |
1958年 | 1篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
101.
李震一 《中国心脏起搏与心电生理杂志》2004,18(1):80-80
报道用重庆华伟电子设备厂生产的YCP—ⅡA型心脏起搏器治疗完全性房室阻滞伴阿斯氏综合症一例。起搏器使用 13年零2月后才出现症状复发。经置换起搏器后症状消失。本例提示 ,我们有能力生产全部用国产件制造的、性能可靠、长寿命的VVI型心脏起搏器。 相似文献
102.
103.
交感型颈椎病临床主要表现为疼痛、感觉异常和植物神经功能紊乱,目前以非手术治疗为主,方法较多[1~3],各具特色.我科自2002年10月以来采用星状神经节阻滞治疗交感型颈椎病12例,取得满意的效果,总结如下. 相似文献
104.
105.
106.
107.
星状神经节阻滞用于治疗糖尿病初探 总被引:1,自引:0,他引:1
探讨星状神经节阻滞治疗糖尿病( 1 ) ,结果 :使患者的血糖、血脂接近正常。结论 :星状神经节阻滞治疗糖尿病是一种快捷有效的新途径 相似文献
108.
Background:Epidural injection is an important method in treatment of protrusion of lumbar intervertebral disc.Especially in the recent decade sacral injection is adopted more and more often.Objective:To compare the clinical effects of sacral blocking and massage combined with traction.Unit:Yinhe Hospital of Beijing.Subjects:290 outpatients with grade Ⅱ of ASAI were selected from May,1994 to July,2000.Patients were randomly divided into observation group(n=145)and control group(n=145).Sacral blocking was adopted in observation group and 80 males and 65 females aged 20-78(mean:46.4)years old were included with disease course 3 days to 30 years.Massage combined with treaction was adopted in control group and 74 males and 71 females aged 22-74(mean:44.9)years oled were inmcluded with disease course 2 days to 10 years.Interention:Sacral blocking:Operation was according to sacral blocking and druge(dexamethasone injection,2 mg;0.75% bupivavaine hydrochloride,5 ml;saline,50ml) were injected slowly after success of puncture.Patient rested for 0.5h after injection and left treatment room if no adverse effects occurred.Massage combined with traction:Massage was adopted after traction to every patients.(1)Massage:Patient was seated at square stool and lower limbs separated naturally with same width of shoulders.Doctors sit behind patient.First,thubs of both hands were pressed on projecting part near spinous process(pressing points were selected according to different projecting part).Flexing and extending forward and backward were taken at the same time and extent was ddecided addording to patients‘ maximal endurable degree,5-10 timmes.Upper part of body was turned 45 degrees to left and right.Massage was still taken to affected part,3-t times.(2)Traction:Pelvis was extracted with general physical therapy and massage table.Supine position,chest and treaction bandage were fixed,tractiron wheel was turned slowly until patient felt comfortable with maximal endurance as limit(traction force,20-40kg),After extracting for 5 minutes,massagee switch was turned on to take rolling massage to bck and both lower libmbs.Traction force was increased every5 minutes and limit was still according to patient‘s maximal endurance,30 minutes for every time,once a day and ten times as a therapeutic course.Cohclusion:Effect of sacral blocking on protrusion of lumbar intervertebral disc was positive and fewer therapeutic time were needed.Massage combined with traction was also effective,safe and no adverse effects wer observed,but more therapeutic times were neeeded and inconveinient. 相似文献
109.
110.
目的:为宫颈癌根治手术选择最佳麻醉方案和术后镇痛方法。方法:对宫颈癌根治手术病人采用硬膜外并静脉复合联合麻醉。结果:麻醉效果确切,有效,肌松满意,术后镇痛效果好,并发症少。结论:在宫颈癌根治手术中采用硬膜外阻滞并静脉复合麻醉具有作用互补、单位用药量减少及麻醉副作用小等优点。 相似文献