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   169136篇
  免费   11274篇
  国内免费   624篇
耳鼻咽喉   1620篇
儿科学   4554篇
妇产科学   2909篇
基础医学   22012篇
口腔科学   3297篇
临床医学   17904篇
内科学   34573篇
皮肤病学   2292篇
神经病学   16740篇
特种医学   6055篇
外国民族医学   4篇
外科学   25938篇
综合类   1972篇
一般理论   203篇
预防医学   14416篇
眼科学   3764篇
药学   11246篇
  1篇
中国医学   187篇
肿瘤学   11347篇
  2023年   825篇
  2022年   1002篇
  2021年   3412篇
  2020年   2121篇
  2019年   3402篇
  2018年   4130篇
  2017年   2998篇
  2016年   3285篇
  2015年   3782篇
  2014年   5699篇
  2013年   7827篇
  2012年   12560篇
  2011年   13062篇
  2010年   7448篇
  2009年   6670篇
  2008年   11760篇
  2007年   12542篇
  2006年   12207篇
  2005年   11668篇
  2004年   11324篇
  2003年   10206篇
  2002年   9769篇
  2001年   1433篇
  2000年   1002篇
  1999年   1549篇
  1998年   2092篇
  1997年   1667篇
  1996年   1389篇
  1995年   1279篇
  1994年   1076篇
  1993年   1043篇
  1992年   807篇
  1991年   721篇
  1990年   597篇
  1989年   558篇
  1988年   548篇
  1987年   523篇
  1986年   492篇
  1985年   558篇
  1984年   634篇
  1983年   598篇
  1982年   725篇
  1981年   658篇
  1980年   564篇
  1979年   308篇
  1978年   382篇
  1977年   308篇
  1976年   221篇
  1975年   179篇
  1973年   173篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
1.
2.
3.
4.
5.
6.
7.
8.
Vaccination is a vital health care initiative to prevent individual and population infection. To increase vaccination rates the federal government implemented the ‘No Jab, No Pay’ policy, where eligibility for several government benefits required children to be fully vaccinated by removing ‘conscientious objections’ and expanding the age range of children whose families receive benefits. This study assesses the impact of this policy at a local area within a single medical practice community in NSW, Australia. A retrospective clinical audit was performed between 2012 and 2017 on a single general practice's vaccination records for children ≤19 years. Catch-up vaccinations were assessed based on age at vaccination. Incidence of catch-up vaccinations was assessed for each of four years before and two years after the implementation of the ‘No Jab, No Pay’ policy in January 2016, along with the age of children and vaccination(s) given. Catch-up vaccinations were assessed temporally either side of implementation of ‘No Jab, No Pay’. Comparing the average annual vaccination catch-up incidence rate of 6.2% pre-implementation (2012–2015), there was an increase to 9.2% in 2016 (p < .001) and 7.8% in 2017 (p = .027). Secondary outcome measurement of catch-up vaccination incidence rates before (2012–2015) and after (2016–2017) ‘No Jab, No Pay’ implementation showed statistically significant increases for children aged 8–11 years (3.2%–5.6%, p = .038), 12–15 years (7.5%–14.7%, p < .001) and 16–19 years (3.3%–10.2%, p < .001) along with a statistically significant reduction in children aged 1–3 years (11.4%–6.2%, p = .015). Also, catch-up rates for DTPa significantly increased after program implementation. This study demonstrates that the Australian federal government vaccination policy ‘No Jab, No Pay’ was coincident with an increase in catch-up vaccinations within a rural NSW community served by one medical practice, especially for older children.  相似文献   
9.
Journal of Neuro-Oncology - Adjuvant radiation is often used in patients with low grade gliomas with high-risk characteristics with a recommended dose of 45–54&nbsp;Gy. We used the...  相似文献   
10.
Introduction: Percutaneous renal mass biopsy has evolved over the last decade with improvements on previous pitfalls including low tissue yield, high non-diagnostic rates, and complications. As understanding of tumor biology and natural history of renal cortical neoplasms has improved, percutaneous renal mass biopsy is poised to have an expanding role in an area characterized by individualized management and refined risk stratification.

Areas covered: This review summarizes the evolution of renal mass biopsy to its current state with respect to outcomes, indications, and clinical guidelines.

Expert opinion: With improved understanding of differential biological potential of renal cortical neoplasms combined with technical improvements in diagnostic yield and accuracy, utilization of renal mass biopsy is becoming an important adjunct to patient care in a broad range of clinical scenarios, including active surveillance, thermal ablation, and use of primary systemic therapy in localized and advanced settings.  相似文献   

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