首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   267篇
  免费   20篇
  国内免费   1篇
耳鼻咽喉   1篇
儿科学   55篇
妇产科学   5篇
基础医学   16篇
口腔科学   12篇
临床医学   16篇
内科学   79篇
皮肤病学   2篇
神经病学   13篇
特种医学   4篇
外科学   34篇
综合类   2篇
预防医学   7篇
眼科学   15篇
药学   26篇
肿瘤学   1篇
  2023年   4篇
  2022年   9篇
  2021年   9篇
  2020年   13篇
  2019年   9篇
  2018年   13篇
  2017年   9篇
  2016年   13篇
  2015年   17篇
  2014年   20篇
  2013年   13篇
  2012年   22篇
  2011年   17篇
  2010年   11篇
  2009年   11篇
  2008年   16篇
  2007年   21篇
  2006年   23篇
  2005年   12篇
  2004年   8篇
  2003年   6篇
  2002年   8篇
  2001年   1篇
  2000年   2篇
  1998年   1篇
排序方式: 共有288条查询结果,搜索用时 15 毫秒
71.

Aim

To report a critical case series of six patients with posterior microphthalmos (PM).

Method

Complete ophthalmologic examinations of all patients were performed using best-corrected visual acuity (BCVA), cycloplegic refraction, applanation tonometry, slit lamp biomicroscopy of the anterior segment, fundoscopy, A and B mode ultrasonography (USG), keratometry, and optic coherence tomography (OCT).

Results

The most significant clinical characteristics of male patients aged 10–25?years was the presence of shorter posterior segments (mean: 15.27–18.91?mm) accompanying high hyperopia (mean +9.00 – +18.50 diopter) despite the normal anterior segment findings. The BCVA ranged between 20/320 and 40/100. Retinal folds were detected bilaterally on the papillomacular band in all patients. Although neurosensory retina was included in the fold in OCT images, retinal pigment epithelium, choroid, and sclera were not included in the fold. Pigmentary retinopathy was detected in one patient.

Conclusion

Despite normal anterior segment, posterior microphthalmos is characterized with high hyperopia, and shorter axial length and bilateral papillomacular retinal fold. Refractive amblyopia, uveal effusion syndrome, retinal detachment and macular hole are complications that can be corrected. Posterior microphthalmos must be kept in mind in patients with a normal anterior segment, and high hyperopia.  相似文献   
72.
Multiple failed hypospadias reconstructions may cause minimal residual skin, as a result of extensive scarring. However, extragenital full thickness skin grafts or mucosal grafts are often used for urethral substitutions; local tissue expansion can provide additional matched skin, which can be easily harvested and used for penile constructions. Though tissue expanders were used as the choice of treatment in children with multiple failed hypospadias repairs, the use of tissue expander in the management of staged proximal hypospadais repair has not been reported previously. A 3-year-old boy with proximal hypospadias is presented to discuss the use of tissue expansion in the management of staged proximal hypospadias repair.  相似文献   
73.
74.
75.
Background: This study evaluates the effects of initial periodontal treatment on the gingival crevicular fluid (GCF) and salivary levels of 8‐hydroxy‐deoxyguanosine (8‐OHdG) as a marker of oxidative deoxyribonucleic acid (DNA) damage in patients with chronic periodontitis (CP). Methods: At baseline, clinical parameters were determined and GCF and saliva samples were obtained from 24 patients with CP and 24 individuals with clinically healthy periodontium. GCF, saliva samples, and clinical periodontal measurements were repeated at day 10, 1 month, and 3 months following initial periodontal therapy in patients with CP. 8‐OHdG levels of GCF and saliva samples were investigated by using an enzyme‐linked immunosorbent assay. Results: Statistically significant higher 8‐OHdG levels of GCF and a significant decrease after initial periodontal therapy were determined in the CP group (P <0.001). A significant positive correlation was found between 8‐OHdG levels of GCF and clinical periodontal measurements (P <0.001). However, salivary levels of 8‐OHdG did not differ between groups or during initial periodontal therapy (P >0.05). Conclusions: This study reveals that DNA injury and oxidative stress increase in tissue cells and especially in periodontal pockets in patients with CP, and the periodontal treatment results in a significant decrease of 8‐OHdG levels in the GCF samples. To the best of our knowledge, this study evaluates for the first time, 8‐OHdG levels in GCF, which is shown to be more useful as a biomarker than saliva. 8‐OHdG was found to be important and may reveal the severity of periodontal disease and the effect of periodontal therapy.  相似文献   
76.
In this study, we investigated the body image of Turkish women in their first year postpartum. We recruited 440 postpartum women who had applied to the outpatient clinics of the Maternity and Children's Hospital in the city of Ordu, Turkey. The mean of the women's body image scores was over the "middle level." The women's body image scale (BIS) score showed a significant negative relation with age, number of births, weight before pregnancy, weight gain, during pregnancy, weight soon after childbirth, present weight, postpartum weight gain, and postpartum body mass index (BMI).  相似文献   
77.
78.
In patients with spondylo-epiphyseal dysplasia, coxa vara and genu valgum deformities cause malalignment, which lead to early degenerative changes in hip and knee. It is mandatory to give them a functional replacement for their deformed, painful knees and hips to lead a normal life. We report a patient with inherited dwarfism on whom a replacement of knee and hip was performed.  相似文献   
79.
80.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号