全文获取类型
收费全文 | 27092篇 |
免费 | 1158篇 |
国内免费 | 199篇 |
专业分类
耳鼻咽喉 | 777篇 |
儿科学 | 1195篇 |
妇产科学 | 1343篇 |
基础医学 | 2081篇 |
口腔科学 | 1271篇 |
临床医学 | 1998篇 |
内科学 | 5873篇 |
皮肤病学 | 438篇 |
神经病学 | 1814篇 |
特种医学 | 999篇 |
外国民族医学 | 7篇 |
外科学 | 5741篇 |
综合类 | 502篇 |
一般理论 | 6篇 |
预防医学 | 883篇 |
眼科学 | 1020篇 |
药学 | 1306篇 |
中国医学 | 156篇 |
肿瘤学 | 1039篇 |
出版年
2023年 | 161篇 |
2022年 | 183篇 |
2021年 | 680篇 |
2020年 | 449篇 |
2019年 | 578篇 |
2018年 | 712篇 |
2017年 | 582篇 |
2016年 | 849篇 |
2015年 | 976篇 |
2014年 | 1189篇 |
2013年 | 1520篇 |
2012年 | 1994篇 |
2011年 | 2026篇 |
2010年 | 1269篇 |
2009年 | 1125篇 |
2008年 | 1829篇 |
2007年 | 2049篇 |
2006年 | 1969篇 |
2005年 | 1868篇 |
2004年 | 1614篇 |
2003年 | 1308篇 |
2002年 | 1108篇 |
2001年 | 320篇 |
2000年 | 240篇 |
1999年 | 224篇 |
1998年 | 144篇 |
1997年 | 97篇 |
1996年 | 112篇 |
1995年 | 76篇 |
1994年 | 82篇 |
1993年 | 72篇 |
1992年 | 84篇 |
1991年 | 94篇 |
1990年 | 90篇 |
1989年 | 73篇 |
1988年 | 66篇 |
1987年 | 66篇 |
1986年 | 46篇 |
1985年 | 48篇 |
1984年 | 40篇 |
1983年 | 38篇 |
1980年 | 23篇 |
1979年 | 24篇 |
1978年 | 28篇 |
1977年 | 33篇 |
1975年 | 25篇 |
1974年 | 30篇 |
1973年 | 27篇 |
1972年 | 26篇 |
1969年 | 26篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
1.
Hawwam Soha Abdalla Ismail Mayada El-Attar Yasmina Ahmed 《Lasers in medical science》2022,37(4):2193-2201
Lasers in Medical Science - Melasma is a chronic, dark brown–pigmented patches and macules commonly on the face. Many treatment modalities for melasma have been used as hydroquinone, laser... 相似文献
2.
3.
Sevim Turanli Nazan Bozdogan Hakan Mersin Ugur Berberoglu 《The Indian journal of surgery》2015,77(6):489-494
Helicobacter pylori has been associated with diverse pathologies of varying severity. We investigated the H. pylori infection status and its association with the pathologic features and clinical outcomes in stage III gastric cancer patients treated with adjuvant therapy after curative resection. Between 2004 and 2009, the records of 76 consecutive patients were retrospectively reviewed. H. pylori infection was confirmed by examination of pathological specimen. The relationship between H. pylori and the clinicopathological features was analyzed by Fisher exact test, Student’s t test, and Kaplan-Meier method. Of the 76 patients, 16 patients (21.1 %) were confirmed for H. pylori infection. The median age was 59 years. Twenty-three patients received chemotherapy and remainder received chemoradiotherapy. H. pylori status did not correlate with the clinicopathologic features. It was greater in non-neoplastic tissue than the tumor tissue (21.1 vs 7.9 %). Median follow-up was 21 months. During this period, 88.2 % patients had experienced tumor recurrence, and 85.5 % patients had died. Recurrence was observed in 87.5 % patients and in 88.3 % patients in H. pylori-positive and H. pylori-negative patients, respectively (P = 0.92). Disease-free survival was 28.4 ± 7.9 months and overall survival was 31.5 ± 7.4 months in H. pylori-positive patients compared with 28.3 ± 3.7 and 33.2 ± 3.4 months, respectively, in H. pylori-negative patients. H. pylori infection status did not have effect on the overall or disease-free survival (p = 0.85 and P = 0.86), respectively. H. pylori status might not be useful as a prognostic and predictive factor for clinical outcomes. 相似文献
4.
Evaluation of Adult versus Pediatric Transesophageal Echocardiography Probe Efficiency for Guiding Septal Puncture during Atrial Fibrillation Ablation 下载免费PDF全文
5.
Rafiye Ciftciler Haluk Demiroglu Yahya Buyukasık Elifcan Aladag Salih Aksu Ibrahim C. Haznedaroglu Nilgun Sayınalp Osman Ozcebe Umit Yavuz Malkan Hakan Goker 《Clinical Lymphoma, Myeloma & Leukemia》2019,19(3):177-182
Background
Refractory acute myeloid leukemia (AML) includes AML includes failure of disease to respond to standard induction chemotherapy, relapse within 6 months after first CR, and 2 or more relapses. The outcome of these patients is usually very poor; only a small proportion can be rescued by allogenic hematopoietic stem-cell transplantation (allo-HSCT). The aim of this study was to evaluate the efficacy and feasibility of allo-HSCT in patients with refractory AML.Patients and Methods
We retrospectively analyzed the clinical outcome of 91 patients who were diagnosed with treatment-refractory AML at Hacettepe University Hospital between January 2002 and June 2018. Patients' disease status included refractory AML, defined as failure to respond to standard induction chemotherapy and relapse within 6 months after first complete remission.Results
The median follow-up was 12 months (range, 0.5-184 months) for the entire group. Kaplan-Meier estimates of the 3-year overall survival for patients who underwent allo-HSCT and patients who received only salvage chemotherapy were 67% and 12%, respectively. Additionally, the Kaplan-Meier estimates of 5-year overall survival for patients who underwent allo-HSCT and patients who received only salvage chemotherapy were 44% and 4%, respectively (P < .001). Complete remission was obtained in 25 patients (83.3%) who underwent allo-HSCT; however, the disease of only 3 patients (3.8%) exhibited complete response after salvage chemotherapy.Conclusion
Allo-HSCT is still the best-known treatment option with curative potential in patients with treatment-refractory AML. Therefore, all efforts should be made in an attempt to find a suitable matched donor in order to perform allo-HSCT. 相似文献6.
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
7.
8.
Siti Nurhuda Sharudin Mohamad Fathi Ismail Suresh Kumar Vasudevan 《Neuro-ophthalmology (Aeolus Press)》2019,43(2):102-106
The rise in popularity of hyaluronic acid (HA) dermal filler injection has caused an exceptional increase in the number of cases of reported irreversible blindness. Here, we reported a case of ischemic optic neuropathy and ophthalmoplegia following subcutaneous HA filler injection with complete visual recovery. A 31-year-old Chinese woman presented with sudden onset of right monocular visual impairment associated with diplopia. Patient had received a hyaluronic acid-containing ?ller injection for nasal dorsum augmentation twelve hours prior to presentation. Visual acuity of the right eye was counting finger. A right relative afferent pupillary defect was demonstrated with ophthalmoplegia. Humphrey visual field test disclosed a right inferior altitudinal field defect with impairment of colour vision. Computed tomography of the orbit revealed mild enlargement of the right medial and inferior recti muscles. Our patient showed a tremendous improvement of vision after a subcutaneous hyaluronidase injection with complete visual recovery within 2 weeks. 相似文献
9.
10.
Effects of Paclitaxel and Carboplatin Combination on Mechanical Myocardial and Microvascular Functions: A Transthoracic Doppler Echocardiography and Two‐Dimensional Strain Imaging Study 下载免费PDF全文