全文获取类型
收费全文 | 780篇 |
免费 | 30篇 |
专业分类
各国政治 | 44篇 |
工人农民 | 88篇 |
世界政治 | 77篇 |
外交国际关系 | 35篇 |
法律 | 415篇 |
中国政治 | 17篇 |
政治理论 | 130篇 |
综合类 | 4篇 |
出版年
2023年 | 7篇 |
2022年 | 5篇 |
2021年 | 9篇 |
2020年 | 19篇 |
2019年 | 28篇 |
2018年 | 35篇 |
2017年 | 37篇 |
2016年 | 34篇 |
2015年 | 17篇 |
2014年 | 36篇 |
2013年 | 134篇 |
2012年 | 30篇 |
2011年 | 22篇 |
2010年 | 23篇 |
2009年 | 34篇 |
2008年 | 33篇 |
2007年 | 33篇 |
2006年 | 33篇 |
2005年 | 36篇 |
2004年 | 22篇 |
2003年 | 21篇 |
2002年 | 24篇 |
2001年 | 11篇 |
2000年 | 8篇 |
1999年 | 12篇 |
1998年 | 8篇 |
1997年 | 6篇 |
1996年 | 6篇 |
1995年 | 6篇 |
1994年 | 7篇 |
1993年 | 5篇 |
1992年 | 8篇 |
1991年 | 12篇 |
1990年 | 7篇 |
1989年 | 6篇 |
1988年 | 4篇 |
1986年 | 2篇 |
1985年 | 3篇 |
1984年 | 3篇 |
1983年 | 3篇 |
1982年 | 2篇 |
1981年 | 1篇 |
1980年 | 3篇 |
1979年 | 2篇 |
1978年 | 1篇 |
1977年 | 2篇 |
1976年 | 2篇 |
1975年 | 2篇 |
1973年 | 3篇 |
1966年 | 2篇 |
排序方式: 共有810条查询结果,搜索用时 15 毫秒
51.
52.
Previous self-harm has been identified as a risk factor for subsequent suicide by adolescents. The objective of the study was to identify further risk factors for subsequent premature death and suicide in a population of adolescents presenting with self-poisoning. A longitudinal cohort design using data-linkage of consecutive adolescent patients presenting to the Hunter Area Toxicology Service, a regional toxicology service for Newcastle, Australia, with the National Death Index of the Australian Institute of Health and Welfare was used. A total of 441 adolescents aged 10 to 19 years presented with self-poisoning over 5 years from January 1991 to December 1995, with follow-up to March 2001. There were 14 deaths total, eight of which were likely suicides. There was a 22-fold increase in suicide rate for males and a 14-fold increase for females compared with age-normalized population rates. Adjusted hazard ratios (95% CI) forpremature death were male gender 3.77 (1.11-12.78), nonaffective psychotic disorders 16.3 (3.83-69.34) and the mental illnesses of childhood 6.12 (1.68-22.23). There was a similar pattern for suicide: Male gender, nonaffective psychotic disorders, and the mental illnesses of childhood confer greater risk for subsequent suicide or premature death in this population. 相似文献
53.
Michelle Everson 《European Law Journal》1999,5(2):141-146
Books reviewed in this article:
Marcel Kaufmann, Europäische Integration und Demokratieprinzip
Norbert Reich, Europäisches Verbraucherrecht
Jürgen Schwarze (ed), Das Verwaltungsrecht unter Europäischem Einfluß/e1> 相似文献
Marcel Kaufmann, Europäische Integration und Demokratieprinzip
Norbert Reich, Europäisches Verbraucherrecht
Jürgen Schwarze (ed), Das Verwaltungsrecht unter Europäischem Einfluß/e1> 相似文献
54.
Rogel MJ Zuehlke ME Petersen AC Tobin-richards M Shelton M 《Journal of youth and adolescence》1980,9(6):491-506
The contraceptive behavior of adolescent girls was viewed from a decision-making perspective. A semistructured interview protocol was used in interviewing 120 girls aged 12–19 in three clinics (Teen Family Planning, Prenatal, Pediatric Acute Care) at Michael Reese Hospital and Medical Center on (1) demographic in formation; (2) sexual and obstetric history; (3) contraceptive and sexual knowledge, attitudes, and practices; (4) environmental pressures; (5) personality factors; and (6) decision-making style. We found that the girls were generally poor contraceptors. They viewed the costs of contraception (in terms of safety) to be high; and they positively valued physical intimacy, opportunities for which come up unexpectedly and sporadically. These factors, along with their ambivalent views toward pregnancy and childbearing seemed to encourage their risk-taking behavior. Once pregnancy occurred, it was carried to term because of the strong internal and external pressures they felt to have and keep the baby. The peer-led intervention program that we are developing based on the survey findings will focus on (1) the teenagers' lack of accurate and complete knowledge about birth control and conception, (2) their limited sense of options concerning birth control and pregnancy outcomes, and (3) their poor understanding of and lack of insight into what motivates their behavior.This study is part of the investigation being conducted by the YADMAC (Young Adult and Adolescent Decision Making About Contraception) Project at Michael Reese Hospital and Medical Center, 2959 South Cottage Grove, Chicago, Illinois 60616. The authors are all members of the YADMAC research team.Received Ph.D. from the University of Chicago. Current interests are human sexuality and reproductive behavior. Currently at Department of Psychology, St. Xavier College.Received M.D. from the University of Michigan. Current interests are liaison child psychiatry and adolescent sexuality.Received Ph.D. from the University of Chicago. Current interests are early adolescent development issues.Current interests are puberty and sex differences.B. A. candidate in social work, Roosevelt University. Current interests are adolescent sexuality and contraceptive behavior. 相似文献
55.
Judi Walker 《Australian Journal of Public Administration》1999,58(3):72-75
It is well known that rural communities do not have access to the same range of healthcare services as urban communities and that health status is poorer in rural areas. As models of health service delivery are changing from treatment and illness prevention to wellness models, health providers are under increasing pressure to re-engineer healthcare services to rural and remote areas in a climate of shrinking resources and community skepticism. The purpose of this article is to examine a developing model of partnership in rural Tasmaniain the context of these changes to health service delivery, changes to health professional training and the application of information and telecommunications technology. The partners are the Tasmanian Department of Health and Human Services and the University of Tasmania. The establishment of the university's Rural Health Teaching Sites in conjunction with the Tasmanian Telehealth Network provides a demonstration of this partnership in action. 相似文献
56.
57.
58.
Shane Darke Ph.D. Johan Duflou M.Med.Path. F.R.C.P.A. Michelle Torok B.Soc.Sc. 《Journal of forensic sciences》2009,54(2):490-494
Abstract: To determine the prevalence and circumstances of psychoactive substances amongst nonoverdose completed suicide, 1436 consecutive cases autopsied at the NSW Department of Forensic Medicine over the period 1/1/1997–12/31/2006 were analyzed. Substances were detected in 67.2% of cases, and illicit drugs in 20.1%. Alcohol was present in 40.6% of cases. Males were more likely to be positive for alcohol, cannabis, and psychostimulants, and females for pharmaceuticals. Illicits were associated with younger age. Alcohol was most prominent amongst toxicity cases, as were opioids, psychostimulants amongst gunshot cases, and pharmaceuticals amongst drownings. Cases in which drug and alcohol histories were noted were more likely to have a substance detected. Alcohol was more common where a suicide note was left and where relationship problems were involved. Pharmaceuticals were more common where a previous attempt was noted. Licit and illicit substances are strongly associated with suicide, even when the method does not involve drug overdose. 相似文献
59.
Kenneth C. Walker 《亚洲事务》2013,44(1):70-73
The author defines state-building as a process of increasing the capabilities within a society for the benefit of its population, noting that, traditionally, in Afghanistan villages were run through consent, though the state has usually preferred force. He then examines the various factors said to inhibit state-building – geography, class, the warlords, ethnicity and political Islam – drawing relevant comparisons with other South Asian states. His conclusion is that it has indeed been most difficult to try to build a functioning state in Afghanistan, partly because of the war, but partly because force is no substitute for consent. 相似文献
60.