全文获取类型
收费全文 | 198147篇 |
免费 | 2442篇 |
国内免费 | 101篇 |
专业分类
耳鼻咽喉 | 1396篇 |
儿科学 | 7381篇 |
妇产科学 | 3446篇 |
基础医学 | 19713篇 |
口腔科学 | 2268篇 |
临床医学 | 14170篇 |
内科学 | 36782篇 |
皮肤病学 | 1477篇 |
神经病学 | 18318篇 |
特种医学 | 9232篇 |
外科学 | 30913篇 |
综合类 | 2439篇 |
一般理论 | 11篇 |
预防医学 | 20606篇 |
眼科学 | 3072篇 |
药学 | 11232篇 |
中国医学 | 751篇 |
肿瘤学 | 17483篇 |
出版年
2023年 | 265篇 |
2022年 | 190篇 |
2021年 | 801篇 |
2020年 | 400篇 |
2019年 | 852篇 |
2018年 | 23098篇 |
2017年 | 18005篇 |
2016年 | 20098篇 |
2015年 | 1700篇 |
2014年 | 1625篇 |
2013年 | 1915篇 |
2012年 | 9122篇 |
2011年 | 23087篇 |
2010年 | 19806篇 |
2009年 | 12233篇 |
2008年 | 21038篇 |
2007年 | 23219篇 |
2006年 | 2052篇 |
2005年 | 3668篇 |
2004年 | 4659篇 |
2003年 | 5448篇 |
2002年 | 3483篇 |
2001年 | 452篇 |
2000年 | 595篇 |
1999年 | 312篇 |
1998年 | 253篇 |
1997年 | 233篇 |
1996年 | 126篇 |
1995年 | 136篇 |
1994年 | 124篇 |
1993年 | 77篇 |
1992年 | 103篇 |
1991年 | 139篇 |
1990年 | 163篇 |
1989年 | 118篇 |
1988年 | 96篇 |
1987年 | 75篇 |
1986年 | 62篇 |
1985年 | 65篇 |
1984年 | 45篇 |
1983年 | 43篇 |
1982年 | 42篇 |
1980年 | 59篇 |
1974年 | 38篇 |
1969年 | 28篇 |
1938年 | 60篇 |
1937年 | 25篇 |
1934年 | 30篇 |
1932年 | 56篇 |
1930年 | 46篇 |
排序方式: 共有10000条查询结果,搜索用时 125 毫秒
31.
32.
Julie A. Schmidt Georgina K. Fensom Sabina Rinaldi Augustin Scalbert Paul N. Appleby David Achaintre Audrey Gicquiau Marc J. Gunter Pietro Ferrari Rudolf Kaaks Tilman Kühn Heiner Boeing Antonia Trichopoulou Anna Karakatsani Eleni Peppa Domenico Palli Sabina Sieri Rosario Tumino Bas Bueno-de-Mesquita Antonio Agudo Maria-Jose Sánchez María-Dolores Chirlaque Eva Ardanaz Nerea Larrañaga Aurora Perez-Cornago Nada Assi Elio Riboli Konstantinos K. Tsilidis Timothy J. Key Ruth C. Travis 《International journal of cancer. Journal international du cancer》2020,146(3):720-730
Metabolomics may reveal novel insights into the etiology of prostate cancer, for which few risk factors are established. We investigated the association between patterns in baseline plasma metabolite profile and subsequent prostate cancer risk, using data from 3,057 matched case–control sets from the European Prospective Investigation into Cancer and Nutrition (EPIC). We measured 119 metabolite concentrations in plasma samples, collected on average 9.4 years before diagnosis, by mass spectrometry (AbsoluteIDQ p180 Kit, Biocrates Life Sciences AG). Metabolite patterns were identified using treelet transform, a statistical method for identification of groups of correlated metabolites. Associations of metabolite patterns with prostate cancer risk (OR1SD) were estimated by conditional logistic regression. Supplementary analyses were conducted for metabolite patterns derived using principal component analysis and for individual metabolites. Men with metabolite profiles characterized by higher concentrations of either phosphatidylcholines or hydroxysphingomyelins (OR1SD = 0.77, 95% confidence interval 0.66–0.89), acylcarnitines C18:1 and C18:2, glutamate, ornithine and taurine (OR1SD = 0.72, 0.57–0.90), or lysophosphatidylcholines (OR1SD = 0.81, 0.69–0.95) had lower risk of advanced stage prostate cancer at diagnosis, with no evidence of heterogeneity by follow-up time. Similar associations were observed for the two former patterns with aggressive disease risk (the more aggressive subset of advanced stage), while the latter pattern was inversely related to risk of prostate cancer death (OR1SD = 0.77, 0.61–0.96). No associations were observed for prostate cancer overall or less aggressive tumor subtypes. In conclusion, metabolite patterns may be related to lower risk of more aggressive prostate tumors and prostate cancer death, and might be relevant to etiology of advanced stage prostate cancer. 相似文献
33.
34.
35.
36.
37.
38.
Susanne Ramsauer 《Zeitschrift für Psychodrama und Soziometrie》2007,6(2):293-302
Anliegen dieses Artikels ist, die besondere Qualit?t und Chance von Psychodramatischer Supervision zu beschreiben, und gleichzeitig
die Kompatibilit?t und fruchtbare Erg?nzung des Moreno’schen Ansatzes innerhalb des Formats Supervision innerhalb der Sozialen
Arbeit auf zuzeigen. Dies wird anhand von 2 ausgew?hlten Praxisbeispielen dargestellt. Die Handlungskompetenz von Supervisandinnen
und Supervisanden kann durch einfache psychodramatische Interventionen erweitert werden. Handlungshemmung wird überwunden,
Spontaneit?t und Kreativit?t kommen ins Laufen und er?ffnen Perspektiven. 相似文献
39.
40.
Debra L. Roter Richard M. Frankel Judith A. Hall David Sluyter 《Journal of general internal medicine》2006,21(1):28-34
Relationship-centered care reflects both knowing and feeling: the knowledge that physician and patient bring from their respective domains of expertise, and the physician’s and patient’s experience, expression, and perception of emotions during the medical encounter. These processes are conveyed and reciprocated in the care process through verbal and nonverbal communication. We suggest that the emotional context of care is especially related to nonverbal communication and that emotion-related communication skills, including sending and receiving nonverbal messages and emotional self-awareness, are critical elements of high-quality care. Although nonverbal behavior has received far less study than other care processes, the current review argues that it holds significance for the therapeutic relationship and influences important outcomes including satisfaction, adherence, and clinical outcomes of care. 相似文献