全文获取类型
收费全文 | 1017篇 |
免费 | 52篇 |
国内免费 | 5篇 |
专业分类
耳鼻咽喉 | 8篇 |
儿科学 | 45篇 |
妇产科学 | 3篇 |
基础医学 | 74篇 |
口腔科学 | 9篇 |
临床医学 | 99篇 |
内科学 | 142篇 |
皮肤病学 | 197篇 |
神经病学 | 36篇 |
特种医学 | 60篇 |
外科学 | 150篇 |
综合类 | 19篇 |
一般理论 | 10篇 |
预防医学 | 35篇 |
眼科学 | 101篇 |
药学 | 63篇 |
肿瘤学 | 23篇 |
出版年
2023年 | 5篇 |
2022年 | 15篇 |
2021年 | 35篇 |
2020年 | 19篇 |
2019年 | 20篇 |
2018年 | 25篇 |
2017年 | 32篇 |
2016年 | 28篇 |
2015年 | 20篇 |
2014年 | 38篇 |
2013年 | 42篇 |
2012年 | 42篇 |
2011年 | 49篇 |
2010年 | 39篇 |
2009年 | 19篇 |
2008年 | 59篇 |
2007年 | 61篇 |
2006年 | 41篇 |
2005年 | 53篇 |
2004年 | 57篇 |
2003年 | 53篇 |
2002年 | 52篇 |
2001年 | 37篇 |
2000年 | 13篇 |
1999年 | 16篇 |
1998年 | 14篇 |
1997年 | 5篇 |
1996年 | 16篇 |
1995年 | 16篇 |
1994年 | 7篇 |
1993年 | 14篇 |
1992年 | 11篇 |
1991年 | 9篇 |
1990年 | 10篇 |
1989年 | 10篇 |
1988年 | 6篇 |
1987年 | 8篇 |
1986年 | 5篇 |
1985年 | 6篇 |
1983年 | 7篇 |
1982年 | 5篇 |
1980年 | 3篇 |
1979年 | 4篇 |
1975年 | 4篇 |
1973年 | 6篇 |
1971年 | 4篇 |
1968年 | 3篇 |
1967年 | 3篇 |
1966年 | 3篇 |
1956年 | 3篇 |
排序方式: 共有1074条查询结果,搜索用时 0 毫秒
1.
Three hundred and seventeen recent clinical isolates were tested for in vitro susceptibility to the three cephalosporins available in India--cephalexin, cefazolin and cefotaxime by the Kirby--Bauer disc diffusion method. Cefazolin was the most effective cephalosporin against Gram positive cocci (71.8% sensitive) followed by cefotaxime (62.7%) and cephalexin (52.7%). Cefotaxime was very effective against commonly isolated Gram negative bacilli with only 10 (8.8%) isolates being resistant to it while 44 (39%) and 65 (57.5%) were resistant to cefazolin and cephalexin, respectively. All isolates of Pseudomonas aeruginosa were resistant to cephalexin and cefazolin and only 29 (32.6%) were sensitive to cefotaxime. 相似文献
2.
3.
Twenty patients with nodulocystic acne were randomly allocated to one of two treatment schedules: 1) Tetracycline 500 mg or 2) Tab. Gugulipid (equivalent to 25 mg guggulsterone). Both were taken twice daily for 3 months, and both produced a progressive reduction in the lesions in the majority of patients. With tetracycline, the percentage reduction in the inflammatory lesions was 65.2% as compared to 68% with gugulipid; on comparison, this difference was statistically insignificant (P>0.05). Follow-up at 3 months showed a relapse in 4 cases on tetracyline and 2 cases on gugulipid. An interesting observation was that the patients with oily faces responded remarkably better to gugulipid. 相似文献
4.
5.
R. K. S. Dogra R. C. Murthy A. K. Srivastava J. S. Gaur L. J. Shukla B. M. L. Varmani 《Archives of environmental contamination and toxicology》1996,30(2):292-297
An unexpected mortality of more than 300 cattle was investigated near a metal recovery factory located in a rural area of the Thane district of India. The factory was engaged in reclaiming lead, aluminium, tin, and zinc from discarded lead storage batteries and soft drink cans. The environmental samples (soil, leaves, grass, slag, water, and sediment), human blood and hair and animal samples (blood, urine, peritoneal fluid, liver, kidney, cow dung, ribs, and femur), collected for analysis revealed toxic levels of lead, cadmium, and chromium. Clinical examination of factory workers and school children revealed cough, fever, gastric problems, abdominal pain, skin lesions (scabies), and blue line on gums. Histopathological examination of animal tissues revealed chronic pathology with lead inclusion bodies in hepatocytes and renal tubules. Based on environmental, clinical, analytical, and histopathological observations, the mortality has been attributed to toxic levels of metals in the body and the malnourished status of the animals. 相似文献
6.
The ability of the Vitek Yeast Biochemical Card to identify yeast isolates was compared with conventional methods. Of the fifty yeast isolates tested same species identification was obtained in thirty-four isolates. The Vitek yeast biochemical card identified 13 isolates which could not be identified by the conventional tests. Though the Vitek Yeast biochemical card gave a good rapid identification the high cost of each test severely limits its routine use in most of the laboratories. 相似文献
7.
A patient who reported with a slowly growing swelling ovr thee lateral aspect of the left ankle, was investigated and diagnosed to have a giant cell tumour which was confirmed on FNAC. The tumour was managed with excision biopsy and reconstruction. The case is being reported for its rare site of occurrence. 相似文献
8.
An extremely rare case of combined transverse and vertical fracture of sacrum with neurological deficit is reported here with a six month follow-up. The patient also had an L1 compression fracture. The patient has recovered significantly with conservative management. 相似文献
9.
Minocha YC Minocha KB Sood VK Dogra A 《Indian journal of dermatology, venereology and leprology》1995,61(5):265-267
H1-antagonist (hydroxyzine hydrochloride) in dosage of 10 mg-25 mg thrice a day failed to elicit satisfactory response in 60 out of 170 patients of chronic idiopathic urticaria. Additional administration of H2-antagonist (cimetidine) in dosage of 200 mg four times a day, in patients not responding earlier to H1-antagonist alones exhibited moderate to good improvement of various parameters of urticaria in approximately 85% patients. 相似文献
10.
A 26‐year‐old man with a history of heavy marijuana and minimal tobacco use was found to have extensive bilateral lung bullae and interstitial fibrosis, heavily infiltrated by pigmented macrophages. These features can be associated with marijuana smoking. The differential diagnoses in this patient are also discussed. 相似文献