全文获取类型
收费全文 | 11610篇 |
免费 | 928篇 |
国内免费 | 316篇 |
专业分类
耳鼻咽喉 | 140篇 |
儿科学 | 181篇 |
妇产科学 | 127篇 |
基础医学 | 981篇 |
口腔科学 | 2176篇 |
临床医学 | 922篇 |
内科学 | 1494篇 |
皮肤病学 | 178篇 |
神经病学 | 1251篇 |
特种医学 | 737篇 |
外国民族医学 | 4篇 |
外科学 | 1243篇 |
综合类 | 1683篇 |
现状与发展 | 1篇 |
预防医学 | 340篇 |
眼科学 | 124篇 |
药学 | 461篇 |
4篇 | |
中国医学 | 218篇 |
肿瘤学 | 589篇 |
出版年
2023年 | 191篇 |
2022年 | 293篇 |
2021年 | 463篇 |
2020年 | 484篇 |
2019年 | 414篇 |
2018年 | 392篇 |
2017年 | 405篇 |
2016年 | 400篇 |
2015年 | 422篇 |
2014年 | 724篇 |
2013年 | 675篇 |
2012年 | 580篇 |
2011年 | 630篇 |
2010年 | 527篇 |
2009年 | 576篇 |
2008年 | 581篇 |
2007年 | 640篇 |
2006年 | 544篇 |
2005年 | 466篇 |
2004年 | 378篇 |
2003年 | 337篇 |
2002年 | 337篇 |
2001年 | 298篇 |
2000年 | 211篇 |
1999年 | 187篇 |
1998年 | 139篇 |
1997年 | 162篇 |
1996年 | 130篇 |
1995年 | 128篇 |
1994年 | 137篇 |
1993年 | 104篇 |
1992年 | 111篇 |
1991年 | 80篇 |
1990年 | 77篇 |
1989年 | 58篇 |
1988年 | 63篇 |
1987年 | 55篇 |
1986年 | 72篇 |
1985年 | 96篇 |
1984年 | 50篇 |
1983年 | 30篇 |
1982年 | 37篇 |
1981年 | 43篇 |
1980年 | 32篇 |
1979年 | 15篇 |
1978年 | 14篇 |
1977年 | 10篇 |
1976年 | 11篇 |
1975年 | 14篇 |
1973年 | 9篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
1.
2.
目的观察使用聚甲酚磺醛溶液治疗外阴硬化性苔藓病变的临床疗效。方法对经临床诊断确诊为外阴硬化性苔藓病变且自愿接受本次研究的36例患者使用聚甲酚磺醛溶液,观察其疗效。结果36例外阴硬化性苔藓病变患者经过聚甲酚磺醛溶液3个月疗程治疗,痊愈率达76.9%,显效率为15.4%,有效率为7.7%。结论聚甲酚磺醛溶液能有效治疗外阴硬化性苔藓病变,无论是缓解瘙痒症状,还是改善病灶皮肤病变效果均较好,为广大临床医生提供了治疗此疾患的新思路。 相似文献
3.
《Diagnostic and interventional imaging》2021,102(10):629-639
PurposeTo investigate the reproducibility of diffusion-weighted (DW) MRI and 18F-Fluorodeoxyglucose (18F-FDG)-Positron emission tomography/CT (PET/CT) in monitoring response to neoadjuvant chemotherapy in epithelial ovarian cancer.Materials and methodsTen women (median age, 67 years; range: 41.8–77.3 years) with stage IIIC-IV epithelial ovarian cancers were included in this prospective trial (NCT02792959) between 2014 and 2016. All underwent initial laparoscopic staging, four cycles of carboplatine-paclitaxel-based chemotherapy and interval debulking surgery. PET/CT and DW-MRI were performed at baseline (C0), after one cycle (C1) and before surgery (C4). Two nuclear physicians and two radiologists assessed five anatomic sites for the presence of ≥ 1 lesion. Target lesions in each site were defined and their apparent diffusion coefficient (ADC), maximal standardized uptake value (SUV-max), SUV-mean, SUL-peak, metabolic tumor volume (MTV) and total lesion glycolysis (TLG) were monitored (i.e., 10 patients × 5 sites × 3 time-points). Their relative early and late changes were calculated. Intra/inter-observer reproducibilities of qualitative and quantitative analysis were estimated with Kappa and intra-class correlation coefficients (ICCs).ResultsFor both modalities, inter- and intra-observer agreement percentages were excellent for initial staging but declined later for DW-MRI, leading to lower Kappa values for inter- and intra-observer variability (0.949 and 1 at C0, vs. 0.633 and 0.643 at C4, respectively) while Kappa values remained > 0.8 for PET/CT. Inter- and intra-observer ICCs were > 0.75 for SUV-max, SUL-peak, SUV-mean and their change regardless the time-point. ADC showed lower ICCs (range: 0.013–0.811). ANOVA found significant influences of the evaluation time, the measurement used (ADC, SUV-max, SUV-mean, SUV-max, SUL-peak, MTV or TLG) and their interaction on ICC values (P = 0.0023, P< 0.0001 and P =0.0028, respectively).ConclusionWhile both modalities demonstrated high reproducibility at baseline, only SUV-max, SUL-peak, SUV-mean and their changes maintained high reproducibility during chemotherapy. 相似文献
4.
Christopher Yeh Cem Atillasoy John T. Seykora Vivian Lee 《Journal of cutaneous pathology》2021,48(1):171-173
Respiratory cysts are benign lesions lined by normal respiratory epithelium. There are few reported cases localized to the orbit, while those of the eyelid are exceedingly rare. Respiratory cysts usually arise either from a non‐hereditary congenital malformation, where they are distinguished as choristomatous, or from trauma. Here, we report a case of a 53‐year‐old man who presented with a large right lower eyelid cyst that was histopathologically diagnosed as a respiratory cyst. 相似文献
5.
Naveen B.S. M.T. Mohan J. Tharayil S.T. Joseph 《International journal of oral and maxillofacial surgery》2021,50(8):1003-1008
A local pedicled vascularized bone flap can prevent the morbidity and cost of free bone flap surgery in small segmental bone defects or long cartilaginous defects of the head and neck. Such flaps can also be useful in patients who are high risk for surgery. The periosteal vascularity of the mandible can be used to design islanded facial artery-based bone flaps, which can be utilized to that extent. Two patients with a small segmental mandibulectomy defect and one patient with a long cricotracheal resection defect underwent reconstruction using three different designs of islanded facial artery osteomyomucosal/osseous flap (iFOMM). The patients had a minimum follow-up period of 18 months. All flaps were successful, with satisfactory healing and without any functional deficit or disease at last follow-up. 相似文献
6.
随着对龋病病因及发病机制的深入认识,龋病的治疗不应局限于对现有龋损的修复治疗,而应以龋病风险评估和龋损活跃性评估为基础,以患者为中心,制定个性化的治疗方案,恢复口腔微生态平衡,进而控制龋病进展和恢复患牙的结构与功能。 相似文献
7.
8.
9.
10.