全文获取类型
收费全文 | 17157篇 |
免费 | 738篇 |
国内免费 | 57篇 |
专业分类
耳鼻咽喉 | 535篇 |
儿科学 | 1530篇 |
妇产科学 | 586篇 |
基础医学 | 1010篇 |
口腔科学 | 1058篇 |
临床医学 | 1213篇 |
内科学 | 3061篇 |
皮肤病学 | 441篇 |
神经病学 | 1016篇 |
特种医学 | 860篇 |
外科学 | 3756篇 |
综合类 | 400篇 |
一般理论 | 7篇 |
预防医学 | 527篇 |
眼科学 | 545篇 |
药学 | 879篇 |
中国医学 | 100篇 |
肿瘤学 | 428篇 |
出版年
2024年 | 16篇 |
2023年 | 187篇 |
2022年 | 207篇 |
2021年 | 357篇 |
2020年 | 275篇 |
2019年 | 322篇 |
2018年 | 472篇 |
2017年 | 411篇 |
2016年 | 494篇 |
2015年 | 444篇 |
2014年 | 619篇 |
2013年 | 852篇 |
2012年 | 1010篇 |
2011年 | 1039篇 |
2010年 | 599篇 |
2009年 | 420篇 |
2008年 | 874篇 |
2007年 | 986篇 |
2006年 | 1016篇 |
2005年 | 1043篇 |
2004年 | 1101篇 |
2003年 | 1033篇 |
2002年 | 995篇 |
2001年 | 683篇 |
2000年 | 607篇 |
1999年 | 513篇 |
1998年 | 186篇 |
1997年 | 157篇 |
1996年 | 159篇 |
1995年 | 77篇 |
1994年 | 71篇 |
1993年 | 48篇 |
1992年 | 94篇 |
1991年 | 84篇 |
1990年 | 68篇 |
1989年 | 73篇 |
1988年 | 40篇 |
1987年 | 36篇 |
1986年 | 37篇 |
1985年 | 39篇 |
1984年 | 31篇 |
1983年 | 17篇 |
1981年 | 19篇 |
1980年 | 9篇 |
1979年 | 14篇 |
1978年 | 11篇 |
1977年 | 11篇 |
1976年 | 12篇 |
1975年 | 10篇 |
1972年 | 11篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
1.
2.
3.
AbstractWe have investigated communication preferences of mammography results in 90 patients through a structured interview approach. About 81% of patients expressed that they wanted to get the results, and 18% expressed that getting the results does not help if they are incomprehensible. In patients who want to get the results, 80% preferred face-to-face interaction with physicians, whereas the others preferred other modes of communication to prevent loss of time. Majority of patients infavor of face-to-face interaction (57%) preferred both the referring physician and the radiologist. Comprehensibility and fast delivery of reports, plus direct communication with radiologists are the requirements in mammography patients while implementing patient-centered radiology. 相似文献
4.
Are Dermatophytid Reactions in Patients with Kerion Celsi Much More Common Than Previously Thought? A Prospective Study 下载免费PDF全文
Dermatophytid reactions are secondary eruptions in response to dermatophytosis. Only a few cases demonstrating an association between dermatophytid reactions and tinea capitis have been reported. Dermatophytid reactions were evaluated in patients diagnosed with kerion celsi. Patients admitted to the dermatology clinic of Van Regional Training and Research Hospital between November 22, 2012, and July 1, 2013, diagnosed with kerion celsi were evaluated for dermatophytid reactions. Six girls (32%) and 13 boys (68%) were included in this study. Dermatophytid reactions were detected in 13 of the 19 patients (68%). Seven patients (36.84%) had eczematous patches or plaques and three (15.8%) had papules. Eczematous lesions, papules, and pustules were noted in two patients (10.5%) and one (5.3%) had signs of an angioedema‐like reaction. Dermatophytid reactions in all patients were observed before the initiation of therapy. According to our clinical experiences, dermatophytid reactions in patients with kerion celsi were more common than reported. Eczematous scaly patches or plaques were the most frequently seen forms of dermatophytid in patients with kerion celsi. Dermatophytid reactions may occur before or after initiation of systemic antifungal therapy. Recognition of this reaction is important so that dermatophytids can be distinguished from drug reactions and the decision can be made whether to continue or to stop the systemic antifungal treatment. 相似文献
5.
6.
Increased arterial stiffness in young normotensive patients with Turner syndrome: associations with vascular biomarkers 下载免费PDF全文
7.
8.
BackgroundWomen suffering from kidney disease are more prone to fertility problems, due to uremia. Fortunately, their fertility rate increases dramatically after renal transplantation. This study analyzes the predictors/risk factors of successful pregnancy with live birth outcome while presenting an overview of the 7-year experience of a single center.MethodsThis retrospective cohort study includes 239 women of reproductive age (18–40 years) who underwent renal transplantation in a tertiary Turkish clinic between October 1, 2011, and August 24, 2017. The subjects were invited to take part in a survey questioning their obstetric characteristics and they were assessed in 2 groups: fertile and infertile. Multivariable linear regression analysis was conducted to determine the predictors of a successful pregnancy.ResultsThirty-five 35 patients wished to become pregnant: 12 got pregnant spontaneously, while 21 failed to become pregnant (spontaneously). The mean age of the patients at the survey was 34 ± 7. Regular menstrual cycles after renal transplantation, tacrolimus-mycophenolate mofetil maintenance protocol, and age at transplantation were found to be predictors of spontaneous pregnancy. The duration of peritoneal dialysis was significantly longer in the infertile group (48 vs 12 months).ConclusionEnd-stage renal disease's negative impacts, including menstrual abnormality and fertility problems, can be overcome by successful kidney transplantation with appropriate immunosuppression. Minimizing the duration of peritoneal dialysis, particularly in patients who desire future fertility, may be accepted as a logical management strategy. 相似文献
9.
Karasu Buğra Gunay Betul Onal 《Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie》2020,258(1):99-106
Graefe's Archive for Clinical and Experimental Ophthalmology - To evaluate central macular thickness (CMT), subfoveal choroidal thickness (SFCT), and visual outcomes following different... 相似文献
10.
Mehmet Varol Kadriye Benkli Ayşe T. Koparal Rakibe B. Bostancıoğlu 《Drug and chemical toxicology》2019,42(4):436-443
Drug design and discovery studies are important because of the prevalence of diseases without available medical cures. New anticancer agents are particularly urgent because of the high mortality rate associated with cancer. A series of mononuclear gold (III) and platinum (II) complexes based on boronated phenylalanine (BPA) were designed and synthesized using 4,4’-dimethyl-2,2’-dipyridyl (L1) or 1,10-phenanthroline-5,6-dion (L2) ligands to obtain promising anticancer drug candidates. Proton nuclear magnetic resonance, infrared, mass spectrometry, and elemental analyses were utilized for chemical characterizations. Cell viability, cancer cell colony formation, endothelial tube formation, and cytoskeleton staining assays were performed using A549 lung adenocarcinoma and human umbilical vein endothelial cells (HUVECs) to investigate preliminary pharmacological activities. L1-based platinum (II) complex (BPA-L1-Pt) was the most promising complex, and has similar activity with the approved chemotherapy drug cis-platinum. Half maximal inhibitory concentration values for BPA-L1-Pt were 9.15 µM on A549s and 16.61 µM on HUVECs; the values for cis-platinum were 5.24 µM on A549s and 23.14 µM on HUVECs. Consequently, further synthesis studies should be performed to boost the cancer cell selectivity feature of BPA by varying metal and ligand types. 相似文献