全文获取类型
收费全文 | 25287篇 |
免费 | 1324篇 |
国内免费 | 111篇 |
专业分类
耳鼻咽喉 | 346篇 |
儿科学 | 588篇 |
妇产科学 | 630篇 |
基础医学 | 3348篇 |
口腔科学 | 632篇 |
临床医学 | 1921篇 |
内科学 | 6159篇 |
皮肤病学 | 669篇 |
神经病学 | 2449篇 |
特种医学 | 732篇 |
外国民族医学 | 9篇 |
外科学 | 4126篇 |
综合类 | 114篇 |
现状与发展 | 1篇 |
一般理论 | 4篇 |
预防医学 | 1626篇 |
眼科学 | 476篇 |
药学 | 1375篇 |
中国医学 | 50篇 |
肿瘤学 | 1467篇 |
出版年
2023年 | 166篇 |
2022年 | 118篇 |
2021年 | 740篇 |
2020年 | 372篇 |
2019年 | 744篇 |
2018年 | 869篇 |
2017年 | 518篇 |
2016年 | 552篇 |
2015年 | 612篇 |
2014年 | 826篇 |
2013年 | 1168篇 |
2012年 | 1907篇 |
2011年 | 1806篇 |
2010年 | 1062篇 |
2009年 | 963篇 |
2008年 | 1564篇 |
2007年 | 1599篇 |
2006年 | 1530篇 |
2005年 | 1493篇 |
2004年 | 1276篇 |
2003年 | 1227篇 |
2002年 | 1127篇 |
2001年 | 341篇 |
2000年 | 313篇 |
1999年 | 319篇 |
1998年 | 150篇 |
1997年 | 146篇 |
1996年 | 137篇 |
1995年 | 160篇 |
1994年 | 138篇 |
1993年 | 127篇 |
1992年 | 186篇 |
1991年 | 191篇 |
1990年 | 168篇 |
1989年 | 150篇 |
1988年 | 137篇 |
1987年 | 108篇 |
1986年 | 113篇 |
1985年 | 136篇 |
1984年 | 115篇 |
1983年 | 79篇 |
1982年 | 61篇 |
1981年 | 63篇 |
1980年 | 61篇 |
1979年 | 86篇 |
1978年 | 62篇 |
1977年 | 67篇 |
1974年 | 62篇 |
1973年 | 55篇 |
1971年 | 56篇 |
排序方式: 共有10000条查询结果,搜索用时 312 毫秒
1.
Sibylle M. Winter Katja Dittrich Peggy Dörr Judith Overfeld Imke Moebus Elena Murray Gergana Karaboycheva Christian Zimmermann Andrea Knop Manuel Voelkle Sonja Entringer Claudia Buss John-Dylan Haynes Elisabeth B. Binder Christine Heim 《Journal of child psychology and psychiatry, and allied disciplines》2022,63(9):1027-1045
2.
Dambach Micha Fieber Jakob Wanzenried Manuel Fehr Tobias Konrad Christoph Goertz Roland Fieber David 《Der Anaesthesist》2022,71(11):846-851
Die Anaesthesiologie - Die Anwendung von hohen Sauerstoffkonzentration birgt Gefahren für Patienten und Anwender. Hohe Umgebungskonzentrationen an Sauerstoff bergen die Gefahr von... 相似文献
3.
Cappellari Manuel Sajeva Giulia Augelli Raffaele Zivelonghi Cecilia Plebani Mauro Mandruzzato Nicolò Mangiafico Salvatore 《Journal of thrombosis and thrombolysis》2022,54(3):550-557
Journal of Thrombosis and Thrombolysis - The ability of the current grading systems to predict optimal outcomes in stroke patients with favourable collaterals remains unexplored. We evaluated... 相似文献
4.
Schröer-Günther Milly Koch Klaus 《Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz》2022,65(5):559-566
Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz - Um Menschen eine informierte Entscheidung über die Teilnahme an Krebsfrüherkennungsuntersuchungen zu ermöglichen,... 相似文献
5.
6.
Ammara A. Watkins Manuel Castillo-Angeles Rodrigo Calvillo-Ortiz Camila R. Guetter Mariam F. Eskander Eiman Ghaffarpasand Luis Anguiano-Landa Jennifer F. Tseng Arthur J. Moser Mark P. Callery Tara S. Kent 《HPB : the official journal of the International Hepato Pancreato Biliary Association》2019,21(7):923-927
BackgroundPatients undergoing pancreatic resection frequently require rehabilitation facilities after hospital discharge. We evaluated the predictive role of validated markers of frailty on rehabilitation facility placement to identify patients who may require this service.MethodsSingle-center retrospective cohort study of patients who underwent pancreatic resection from 2010 to 2015. 90-day morbidity and mortality were calculated. Postoperative validated markers of frailty (Activities of Daily Living scale, Braden scale [assesses pressure ulcer risk, lower scores = higher risk] and Morse fall scale) were evaluated via multivariate regression to identify predictors of discharge to rehabilitation facility.Results470 patients with complete data were included. Mean age was 62 and 49.2% were male. Postoperative median length of stay (LOS) was 8 (IQR 7–10). 92 (19.66%) patients were discharged to rehabilitation facilities and 138 (29.49%) patients were readmitted within 90 days. On multivariate analysis, age, sex, LOS > 8 days, inpatient Comprehensive Complication Index (CCI) and initial Braden scale were predictive of rehabilitation placement.ConclusionA marker of frailty routinely collected daily by nursing staff, the Braden scale, is available to help surgeons predict the need for postoperative rehabilitation placement after pancreatic resection. Engaging discharge planning services for at-risk patients may help prevent delayed hospital discharge and should be further evaluated. 相似文献
7.
8.
9.
10.
Brendan Le Dar Tatiana Victoni Aude Bodin Manuel Vlach Elise Vene Pascal Loyer Vincent Lagente Thomas Gicquel 《Fundamental & clinical pharmacology》2019,33(1):63-74
Alcohol consumption is considered to be the third leading cause of death in the United States. In addition to its direct toxicity, ethanol has two contrasting effects on the immune system: the nucleotide oligomerization domain‐like receptor pyrin domain‐containing‐3 (NLRP3) inflammasome is inhibited by acute ethanol exposure but activated by chronic ethanol exposure. Purinergic receptors (especially the P2X7 receptor) are able to activate the NLRP3 inflammasome and are involved in many ethanol‐related diseases (such as gout, pulmonary fibrosis, alcoholic steatohepatitis, and certain cancers). We hypothesized that ethanol regulates purinergic receptors and thus modulates the NLRP3 inflammasome's activity. In experiments with monocyte‐derived macrophages, we found that interleukin (IL)‐1β secretion was inhibited after 7 h of exposure (but not 48 h of exposure) to ethanol. The disappearance of ethanol's inhibitory effect on IL‐1β secretion after 48 h was not mediated by the upregulated production of IL‐1β, IL‐1α, IL‐6 or the inflammasome components NLRP3, apoptosis‐associated speck‐like protein containing a caspase recruitment domain, and caspase 1. P2X7R expression was upregulated by ethanol, whereas expression of the P2X4 and P2X1 receptors was not. Taken as a whole, our results suggest that ethanol induces NLRP3 inflammasome activation by upregulating the P2X7 receptor. This observation might have revealed a new mechanism for inflammation in ethanol‐related diseases. 相似文献