全文获取类型
收费全文 | 644篇 |
免费 | 36篇 |
国内免费 | 36篇 |
专业分类
耳鼻咽喉 | 3篇 |
儿科学 | 51篇 |
妇产科学 | 8篇 |
基础医学 | 55篇 |
口腔科学 | 16篇 |
临床医学 | 90篇 |
内科学 | 159篇 |
皮肤病学 | 5篇 |
神经病学 | 16篇 |
特种医学 | 162篇 |
外科学 | 35篇 |
综合类 | 12篇 |
预防医学 | 20篇 |
眼科学 | 8篇 |
药学 | 42篇 |
肿瘤学 | 34篇 |
出版年
2024年 | 2篇 |
2022年 | 1篇 |
2021年 | 5篇 |
2020年 | 3篇 |
2019年 | 6篇 |
2018年 | 11篇 |
2017年 | 7篇 |
2016年 | 3篇 |
2015年 | 7篇 |
2014年 | 12篇 |
2013年 | 18篇 |
2012年 | 10篇 |
2011年 | 12篇 |
2010年 | 37篇 |
2009年 | 38篇 |
2008年 | 15篇 |
2007年 | 30篇 |
2006年 | 10篇 |
2005年 | 17篇 |
2004年 | 5篇 |
2003年 | 5篇 |
2002年 | 9篇 |
2001年 | 12篇 |
2000年 | 4篇 |
1999年 | 7篇 |
1998年 | 48篇 |
1997年 | 47篇 |
1996年 | 45篇 |
1995年 | 40篇 |
1994年 | 41篇 |
1993年 | 26篇 |
1992年 | 3篇 |
1991年 | 12篇 |
1990年 | 11篇 |
1989年 | 25篇 |
1988年 | 23篇 |
1987年 | 12篇 |
1986年 | 15篇 |
1985年 | 9篇 |
1984年 | 7篇 |
1983年 | 6篇 |
1982年 | 10篇 |
1981年 | 8篇 |
1980年 | 10篇 |
1979年 | 5篇 |
1978年 | 6篇 |
1977年 | 10篇 |
1976年 | 6篇 |
1975年 | 3篇 |
1969年 | 1篇 |
排序方式: 共有716条查询结果,搜索用时 46 毫秒
121.
122.
123.
Head injury in child abuse: evaluation with MR imaging 总被引:3,自引:0,他引:3
To evaluate the usefulness of magnetic resonance (MR) imaging in the diagnosis of head injury in child abuse, the authors compared the findings at head MR imaging and computed tomography (CT) in 19 abused children. Subdural hematomas (15 cases), cortical contusions (six cases), and shearing injuries (five cases) were demonstrated to particular advantage with MR imaging. CT remained superior in the detection of subarachnoid hemorrhage. MR imaging appears to be valuable in the assessment of patients with suspected intracranial injury due to child abuse. 相似文献
124.
Percutaneous transluminal angioplasty: the treatment of choice for renovascular hypertension due to fibromuscular dysplasia 总被引:2,自引:0,他引:2
Tegtmeyer CJ; Elson J; Glass TA; Ayers CR; Chevalier RL; Wellons HA Jr; Studdard WE Jr 《Radiology》1982,143(3):631-637
Twenty-three renal artery stenoses in 21 hypertensive patients, caused by fibromuscular dysplasia, were treated with percutaneous transluminal angioplasty (PTA). Follow-up over a period of 1 to 30 months, including angiography, renal vein renin assay, and radionuclide flow studies, was performed in 8 patients, each with one stenosis. Dilatation was initially successful in all cases and was successfully repeated in 1 case. The mean systolic pressure decreased by 61.81 mm Hg and the mean diastolic pressure by 36.28 mm Hg in response to treatment. Thirteen patients were cured, 8 were felt to have better control of blood pressure on medication, and there was no failures. This study demonstrates that PTA is a clinically effective method of treating renovascular hypertension due to fibromuscular dysplasia. 相似文献
125.
126.
127.
Single and double contrast arthrographic techniques were compared in 951 patinets with suspected meniscal injuries. Exploratory surgery of the knee was performed in 384 of these patients and good clinical follow-up was obtained in 135 patients. In the latter two groups of patients, the single contrast technique was 97% accurate in assessing the medial meniscus and 96% accurate in assessing the lateral meniscus. Double contrast arthrography was 97% accurate in assessing the medial meniscus and 93% accurate in assessing the lateral meniscus. Numerical differences in the results from the two techniques were not statistically significant. Therefore both techniques can be considered equally effective diagnostically. 相似文献
128.
129.
130.