全文获取类型
收费全文 | 2639篇 |
免费 | 159篇 |
国内免费 | 8篇 |
专业分类
耳鼻咽喉 | 20篇 |
儿科学 | 61篇 |
妇产科学 | 35篇 |
基础医学 | 291篇 |
口腔科学 | 67篇 |
临床医学 | 223篇 |
内科学 | 514篇 |
皮肤病学 | 28篇 |
神经病学 | 181篇 |
特种医学 | 152篇 |
外科学 | 559篇 |
综合类 | 91篇 |
预防医学 | 100篇 |
眼科学 | 90篇 |
药学 | 167篇 |
中国医学 | 11篇 |
肿瘤学 | 216篇 |
出版年
2023年 | 15篇 |
2022年 | 54篇 |
2021年 | 87篇 |
2020年 | 48篇 |
2019年 | 59篇 |
2018年 | 100篇 |
2017年 | 59篇 |
2016年 | 64篇 |
2015年 | 64篇 |
2014年 | 106篇 |
2013年 | 135篇 |
2012年 | 214篇 |
2011年 | 176篇 |
2010年 | 129篇 |
2009年 | 120篇 |
2008年 | 156篇 |
2007年 | 154篇 |
2006年 | 145篇 |
2005年 | 108篇 |
2004年 | 126篇 |
2003年 | 94篇 |
2002年 | 92篇 |
2001年 | 51篇 |
2000年 | 44篇 |
1999年 | 47篇 |
1998年 | 24篇 |
1997年 | 9篇 |
1996年 | 10篇 |
1995年 | 7篇 |
1993年 | 14篇 |
1992年 | 22篇 |
1991年 | 21篇 |
1990年 | 13篇 |
1989年 | 19篇 |
1988年 | 16篇 |
1987年 | 18篇 |
1986年 | 13篇 |
1985年 | 25篇 |
1984年 | 10篇 |
1983年 | 7篇 |
1979年 | 14篇 |
1978年 | 16篇 |
1977年 | 12篇 |
1976年 | 12篇 |
1975年 | 7篇 |
1974年 | 7篇 |
1973年 | 7篇 |
1969年 | 8篇 |
1968年 | 7篇 |
1966年 | 6篇 |
排序方式: 共有2806条查询结果,搜索用时 15 毫秒
71.
72.
Chhagan Bihari Sukriti Baweja Seggere Murlaikrishna Shasthry Deepika Lal Preeti Negi Swati Thangariyal Dinesh Mani Tripathi Shiv Kumar Sarin 《临床与转化肝病杂志(英文版)》2022,10(1):53-62
Background and Aims: Cirrhosis patients exhibit cyto-penia, and, at times refractory neutropenia to granulocyte colony-stimulating factor (G-CSF), which acts th... 相似文献
73.
74.
75.
76.
77.
Sunish IP Rajendran R Mani TR Gajanana A Reuben R Satyanarayana K 《Tropical medicine & international health : TM & IH》2003,8(4):316-321
Annual 2-drug, single-dose mass drug administration (MDA) to 80-90% of the eligible population for 4-6 years are pre-requisites for the successful elimination of lymphatic filariasis (LF) from endemic communities by interruption of transmission and eventual elimination of new infections. In an experimental intervention project on the control of LF in Villupuram district of Tamil Nadu state, India, migration patterns of the villagers were investigated to determine the appropriate timing to implement MDA in order to attain high coverage in a village-level study. Between January and December 1997, 16 observations took place at 3-week intervals, following MDA with two drugs viz., diethylcarbamazine and ivermectin, in July-August 1996. The migrants from the village constituted 17-27% at different points of time and both short-term and long-term migrating patterns were observed. More villagers were available during the agricultural season (September-January), peaking around mid-January [83%; significantly higher (P < 0.05)] than during most of the remaining months, including a substantial portion of the migrant population. There is an urgent need to reschedule the yearly MDA in this area to take place in January and to plan mopping up operations by involving local self-help groups to include migrants (both short-term and long-term) in the LF elimination efforts. 相似文献
78.
Rashna Dass Himesh Barman Sourabh Gohain Duwarah Vivek Choudhury Pankaj Jain Nayan Mani Deka Manjula Murari 《Rheumatology international》2010,30(8):1099-1101
Macrophage activation syndrome (MAS) is a clinical syndrome caused by an excessive proliferation of T lymphocytes and well-differentiated
macrophages; an entity distinct from malignant histiocytosis. Although rheumatologic conditions are the common cause of MAS,
a wide range of infections are also seen to cause MAS. We report an adolescent with severe Plasmodium falciparum malaria and MAS. He fulfilled six out of eight criteria required to diagnose hemophagocytic lymphohistiocytosis. 相似文献
79.
Philipp C. Seppelt MD Silvia Mas-Peiro MD Roberta De Rosa MD PhD Isabell M. Murray MD Mani Arsalan MD Lars Holzer MD Gösta Lotz MD Patrick Meybohm MD Kai Zacharowski MD PhD Thomas Walther MD Andreas M. Zeiher MD Stephan Fichtlscherer MD Mariuca Vasa-Nicotera MD 《Catheterization and cardiovascular interventions》2021,97(1):E146-E153
80.
Tariq A. Hameed Shawn D. Teague Mani Vembar Ekta Dharaiya Jonas Rydberg 《The international journal of cardiovascular imaging》2009,25(2):267-278
Computed tomography angiography (CTA) of the thorax other than cardiac CTA, is utilized for a multitude of conditions and ranges in application from a diagnostic test, to presurgical planning and postsurgical follow-up. Helical CTA without electrocardiogram (ECG) gating has been routinely utilized for the evaluation of thoracic vasculature. However, its applicability can be limited in the evaluation of the thoracic aorta and pulmonary vasculature because of the artifacts resulting from cardiac motion. Traditional retrospective ECG-gated helical scans address this issue but at the price of a high radiation dose to the patient. In this paper we review CTA dose reduction strategies for non-coronary indications, examine field of view requirements, and discuss breath hold challenges for ECG-gated acquisitions. In addition, we present clinical examples performed using low-dose prospective gating technique for evaluation of the aorta acquired on a 256-slice multidetector computed tomography system. 相似文献