全文获取类型
收费全文 | 3160篇 |
免费 | 179篇 |
国内免费 | 27篇 |
学科分类
医药卫生 | 3366篇 |
出版年
2023年 | 24篇 |
2022年 | 36篇 |
2021年 | 131篇 |
2020年 | 81篇 |
2019年 | 83篇 |
2018年 | 118篇 |
2017年 | 101篇 |
2016年 | 117篇 |
2015年 | 110篇 |
2014年 | 171篇 |
2013年 | 203篇 |
2012年 | 280篇 |
2011年 | 283篇 |
2010年 | 169篇 |
2009年 | 142篇 |
2008年 | 243篇 |
2007年 | 208篇 |
2006年 | 175篇 |
2005年 | 186篇 |
2004年 | 174篇 |
2003年 | 164篇 |
2002年 | 111篇 |
2001年 | 9篇 |
2000年 | 7篇 |
1999年 | 13篇 |
1998年 | 10篇 |
1997年 | 4篇 |
1996年 | 4篇 |
1995年 | 5篇 |
1993年 | 1篇 |
1992年 | 1篇 |
1985年 | 1篇 |
1979年 | 1篇 |
排序方式: 共有3366条查询结果,搜索用时 437 毫秒
71.
Bucello Sebastiano Annovazzi Pietro Ragonese Paolo Altieri Marta Barcella Valeria Bergamaschi Roberto Bianchi Alessia Borriello Giovanna Buscarinu Maria Chiara Callari Graziella Capobianco Marco Capone Fioravante Cavalla Paola Cavarretta Rosella Cortese Antonio De Luca Giovanna Di Filippo Massimiliano Dattola Vincenzo Fantozzi Roberta Ferraro Elisabetta Filippi Maria Maddalena Gasperini Claudio Grimaldi Luigi Maria Edoardo Landi Doriana Re Marianna Lo Mallucci Giulia Manganotti Paolo Marfia Girolama Alessandra Mirabella Massimiliano Perini Paola Pisa Marco Realmuto Sabrina Russo Margherita Tomassini Valentina Torri-Clerici Valentina Liliana Adriana Zaffaroni Mauro Zuliani Cristina Zywicki Sofia Filippi Massimo Prosperini Luca 《Journal of neurology》2021,268(8):2922-2932
Journal of Neurology - To identify baseline factors associated with disease activity in patients with relapsing–remitting multiple sclerosis (RRMS) under teriflunomide treatment. This was an... 相似文献
72.
73.
Christian Carulli Fabrizio Matassi Roberto Civinini Massimo Morfini Massimiliano Tani Massimo Innocenti 《The Knee》2013,20(1):36-39
IntroductionHaemophilic arthropathy is the most common clinical manifestation of haemophilia, secondary to recurrent haemarthrosis and chronic synovitis, and the knee represents the main target joint. Modern bleeding prevention has significatively limited the incidence of severe arthropathy, and primary approach is usually conservative. Viscosupplementation is felt as one of the most efficient treatments for the early stages of knee haemophilic arthropathy, based on short-term follow-up studies. The aim of this prospective case series study is to assess the clinical effectiveness of intra-articular administration of hyaluronic acid in the knee, evaluating long-term results, and focusing on the necessity of further treatments after viscosupplementation.MethodsTwenty-seven haemophilic patients with knee arthropathy underwent at least two cycles of injections of hyaluronians between 2003 and 2009. They were evaluated with VAS, SF-36, WFH, Pettersson score, and WOMAC, with a seven-year follow-up.ResultsAll patients showed improvement in pain relief and functional recovery without any complications. Considering the severity of arthropathy in haemophilic patients, only a limited number of subjects (five) underwent total knee arthroplasty for persistent pain or functional limitation.ConclusionsViscosupplementation is a safe and effective therapeutic strategy in knee haemophilic arthropathy, with no complications, persisting good clinical results, and determining in most cases a delay of surgery. 相似文献
74.
75.
76.
77.
78.
79.
Nicolas Chatron Véronique Haddad Joris Andrieux Julie Désir Odile Boute Anne Dieux Clarisse Baumann Séverine Drunat Marion Gérard Céline Bonnet Bruno Leheup Marianne Till Massimiliano Rossi Elisabeth Flori Yves Alembik Helen Stewart Joanna McParland Laura Bernardini Pia Castelluccio Laura Roos Zeynep Tümer Kerry Fagan Anna Hackett Nicole Bain Arie van Haeringen Claudia Ruivenkamp Brigitte Benzacken Damien Sanlaville Patrick Edery Azzedine Aboura Caroline Schluth‐Bolard 《American journal of medical genetics. Part A》2015,167(5):1008-1017
80.
Context:
Although balance is generally recognized to be an important feature in ensuring good performance in soccer, its link with functional performance remains mostly unexplored, especially in young athletes.Objective:
To investigate changes in balance induced by fatigue for unipedal and bipedal static stances in young soccer players.Design:
Crossover study.Setting:
Biomechanics laboratory and outdoor soccer field.Patients or Other Participants:
Twenty-one male soccer players (age = 14.5 ± 0.2 years, height = 164.5 ± 5.6 cm, mass = 56.8 ± 6.8 kg).Intervention(s):
Static balance was assessed with postural-sway analysis in unipedal and bipedal upright stance before and after a fatigue protocol consisting of a repeated sprint ability (RSA) test (2 × 15-m shuttle sprint interspersed with 20 seconds of passive recovery, repeated 6 times).Main Outcome Measure(s):
On the basis of the center-of-pressure (COP) time series acquired during the experimental tests, we measured sway area, COP path length, and COP maximum displacement and velocity in the anteroposterior and mediolateral directions.Results:
Fatigue increased all sway values in bipedal stance and all values except COP velocity in the mediolateral direction in unipedal stance. Fatigue index (calculated on the basis of RSA performance) was positively correlated with fatigue/rest sway ratio for COP path length and COP velocity in the anteroposterior and mediolateral directions for nondominant single-legged stance.Conclusions:
Fatigued players exhibited reduced performance of the postural-control system. Participants with better performance in the RSA test appeared less affected by balance impairment, especially in single-legged stance.Key Words: postural sway, repeated sprint ability test, athletesKey Points
- In young soccer players, balance was adversely affected by fatigue.
- A moderate correlation existed between balance impairment and repeated sprint ability performance.