全文获取类型
收费全文 | 792篇 |
免费 | 47篇 |
出版年
2023年 | 5篇 |
2022年 | 7篇 |
2021年 | 18篇 |
2020年 | 27篇 |
2019年 | 18篇 |
2018年 | 34篇 |
2017年 | 31篇 |
2016年 | 39篇 |
2015年 | 35篇 |
2014年 | 28篇 |
2013年 | 99篇 |
2012年 | 67篇 |
2011年 | 54篇 |
2010年 | 41篇 |
2009年 | 33篇 |
2008年 | 50篇 |
2007年 | 37篇 |
2006年 | 36篇 |
2005年 | 25篇 |
2004年 | 25篇 |
2003年 | 22篇 |
2002年 | 23篇 |
2001年 | 8篇 |
2000年 | 10篇 |
1999年 | 13篇 |
1998年 | 4篇 |
1997年 | 6篇 |
1996年 | 4篇 |
1995年 | 2篇 |
1994年 | 2篇 |
1993年 | 1篇 |
1992年 | 3篇 |
1990年 | 2篇 |
1989年 | 2篇 |
1988年 | 1篇 |
1987年 | 1篇 |
1986年 | 3篇 |
1984年 | 3篇 |
1983年 | 3篇 |
1982年 | 1篇 |
1981年 | 2篇 |
1979年 | 2篇 |
1978年 | 3篇 |
1976年 | 1篇 |
1975年 | 2篇 |
1973年 | 1篇 |
1972年 | 2篇 |
1970年 | 2篇 |
1968年 | 1篇 |
排序方式: 共有839条查询结果,搜索用时 15 毫秒
811.
812.
A Machine Learning Approach to Identifying the Thought Markers of Suicidal Subjects: A Prospective Multicenter Trial
下载免费PDF全文
![点击此处可从《Suicide & life-threatening behavior》网站下载免费的PDF全文](/ch/ext_images/free.gif)
John P. Pestian PhD Michael Sorter MD Brian Connolly PhD Kevin Bretonnel Cohen PhD Cheryl McCullumsmith MD PhD Jeffry T. Gee MD Louis‐Philippe Morency PhD Stefan Scherer PhD Lesley Rohlfs MS the STM Research Group 《Suicide & life-threatening behavior》2017,47(1):112-121
Death by suicide demonstrates profound personal suffering and societal failure. While basic sciences provide the opportunity to understand biological markers related to suicide, computer science provides opportunities to understand suicide thought markers. In this novel prospective, multimodal, multicenter, mixed demographic study, we used machine learning to measure and fuse two classes of suicidal thought markers: verbal and nonverbal. Machine learning algorithms were used with the subjects’ words and vocal characteristics to classify 379 subjects recruited from two academic medical centers and a rural community hospital into one of three groups: suicidal, mentally ill but not suicidal, or controls. By combining linguistic and acoustic characteristics, subjects could be classified into one of the three groups with up to 85% accuracy. The results provide insight into how advanced technology can be used for suicide assessment and prevention. 相似文献
813.
814.
815.
Res Publica - States of emergency are declared frequently in all parts of the world. Their declaration routinely implies a suspension of basic constitutional rights. In the last half century, it... 相似文献
816.
Individuals with Parkinson's disease often exhibit symptoms of social anxiety. However, they rarely meet criteria for social phobia due to the medical exclusion criteria of DSM-IV. The present study reports the case of a 60-year-old male with Parkinson's disease who also met criteria for social phobia. After receiving 12 weekly cognitive-behavioral group sessions for social phobia, clinician ratings and self-report measures at post-treatment and 6-month follow-up showed a significant short-term and long-term reduction of his social anxiety. These findings suggest that cognitive-behavior therapy may be an effective treatment for social anxiety, even if these symptoms are related to Parkinson's disease. 相似文献
817.
818.
Body Mass Index Is an Important Predictor for Suicide: Results from a Systematic Review and Meta‐Analysis
下载免费PDF全文
![点击此处可从《Suicide & life-threatening behavior》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Stefan Perera BSc Rebecca B. Eisen BHSc Brittany B. Dennis PhD Monica Bawor PhD Meha Bhatt BSc Neera Bhatnagar MLIS Lehana Thabane PhD Russell de Souza ScD RD Zainab Samaan MBChB MRCPsych PhD 《Suicide & life-threatening behavior》2016,46(6):697-736
Public health concerns for the independent management of obesity and suicidal behavior are rising. Emerging evidence suggests body weight plays an important role in quantifying the risk of suicide. In light of these findings, we aimed to clarify the association between body mass index (BMI) and suicidal behavior by systematically reviewing and evaluating the literature. Studies were identified by searching MEDLINE, EMBASE, PsycINFO, and CINAHL from inception to January 2015, supplemented by hand and grey literature searches. Study screening, data extraction, and risk of bias assessment were conducted in duplicate. We included 38 observational studies. Meta‐analyses supported an inverse association between BMI and completed suicide. Pooled summary estimates demonstrated that underweight was significantly associated with an increased risk of completed suicide (HR = 1.21, 95% CI 1.07 to 1.36, p = .002), and obesity (HR = 0.71, 95% CI 0.56 to 0.89, p = .003) and overweight (HR = 0.78, 95% CI 0.75 to 0.82, p < .0001) were significantly associated with a decreased risk of completed suicide relative to normal weight. A qualitative summary of the literature demonstrated conflicting evidence regarding the association between BMI and attempted suicide and revealed no association between BMI and suicidal ideation. BMI may be used to aid the assessment of suicide risk, especially that of completed suicide. However, unmeasured confounders and systematic biases of individual studies limit the quality of evidence. 相似文献
819.
820.