全文获取类型
收费全文 | 3127篇 |
免费 | 107篇 |
国内免费 | 20篇 |
专业分类
耳鼻咽喉 | 23篇 |
儿科学 | 37篇 |
妇产科学 | 49篇 |
基础医学 | 427篇 |
口腔科学 | 42篇 |
临床医学 | 325篇 |
内科学 | 692篇 |
皮肤病学 | 16篇 |
神经病学 | 354篇 |
特种医学 | 90篇 |
外科学 | 508篇 |
综合类 | 5篇 |
一般理论 | 1篇 |
预防医学 | 179篇 |
眼科学 | 23篇 |
药学 | 255篇 |
中国医学 | 2篇 |
肿瘤学 | 226篇 |
出版年
2023年 | 13篇 |
2022年 | 25篇 |
2021年 | 58篇 |
2020年 | 25篇 |
2019年 | 39篇 |
2018年 | 71篇 |
2017年 | 26篇 |
2016年 | 45篇 |
2015年 | 61篇 |
2014年 | 97篇 |
2013年 | 163篇 |
2012年 | 216篇 |
2011年 | 254篇 |
2010年 | 112篇 |
2009年 | 121篇 |
2008年 | 239篇 |
2007年 | 239篇 |
2006年 | 237篇 |
2005年 | 216篇 |
2004年 | 222篇 |
2003年 | 207篇 |
2002年 | 224篇 |
2001年 | 37篇 |
2000年 | 30篇 |
1999年 | 33篇 |
1998年 | 49篇 |
1997年 | 44篇 |
1996年 | 22篇 |
1995年 | 20篇 |
1994年 | 21篇 |
1993年 | 12篇 |
1992年 | 13篇 |
1991年 | 3篇 |
1990年 | 7篇 |
1989年 | 7篇 |
1988年 | 4篇 |
1987年 | 3篇 |
1986年 | 5篇 |
1985年 | 2篇 |
1984年 | 6篇 |
1983年 | 7篇 |
1981年 | 4篇 |
1980年 | 4篇 |
1979年 | 2篇 |
1976年 | 1篇 |
1970年 | 1篇 |
1964年 | 1篇 |
1963年 | 1篇 |
1961年 | 1篇 |
1959年 | 2篇 |
排序方式: 共有3254条查询结果,搜索用时 15 毫秒
91.
Terrier B Krastinova E Marie I Launay D Lacraz A Belenotti P de Saint-Martin L Quemeneur T Huart A Bonnet F Le Guenno G Kahn JE Hinschberger O Rullier P Diot E Lazaro E Bridoux F Zénone T Carrat F Hermine O Léger JM Mariette X Senet P Plaisier E Cacoub P 《Blood》2012,119(25):5996-6004
Data on the clinical spectrum and therapeutic management of noninfectious mixed cryoglobulinemia vasculitis (CryoVas) in the era of hepatitis C virus screening are lacking. We analyzed data from 242 patients with noninfectious mixed CryoVas included in the French multicenter CryoVas survey. Baseline manifestations were purpura (75%), peripheral neuropathy (52%), arthralgia or arthritis (44%), glomerulonephritis (35%), cutaneous ulcers (16%), and cutaneous necrosis (14%). A connective tissue disease was diagnosed in 30% and B-cell non-Hodgkin lymphoma in 22%, whereas the CryoVas was considered to be essential in 48%. With the use of Cox-marginal structural models, rituximab plus corticosteroids showed the greater therapeutic efficacy compared with corticosteroids alone and alkylating agents plus corticosteroids to achieve complete clinical, renal, and immunologic responses and a prednisone dosage < 10 mg/d at 6 months. However, this regimen was also associated with severe infections, particularly when high doses of corticosteroids were used, whereas death rates did not differ between the therapeutic regimens. The role of each of these strategies remains to be defined in well-designed randomized controlled trials. 相似文献
92.
93.
94.
El-Cheikh J Crocchiolo R Boher JM Furst S Stoppa AM Ladaique P Faucher C Calmels B Castagna L Lemarie C De Colella JM Coso D Bouabdallah R Chabannon C Blaise D 《European journal of haematology》2012,88(6):497-503
The purpose of this study was to assess the results of allogeneic stem cell transplantation (allo-SCT) after reduced-intensity conditioning (RIC) from matched related donors (MRD) and unrelated donors (URD) in 40 patients with high-risk multiple myeloma (MM) in a single centre. Seventeen (43%) (Group 1) and 23 patients (57%) (Group 2) had URD and MRD, respectively. Thirty-nine patients (98%) received one or more autologous transplantation. The median follow-up was 22 months (1-49). None of our patient experienced a graft rejection. The cumulative incidence of grade II-IV acute GVHD was higher (47%) for the URD vs. (17%) for the MRD (P = 0.092). The cumulative incidence of chronic GVHD was no different between the two groups (24% vs. 30%, respectively). At 2 yr, the TRM probabilities were lower in the unrelated group 12% vs. 22% in the related group (P = 0.4). Also at 2 yrs, for patients receiving unrelated transplantation overall and progression-free survivals, 59% and 42%, respectively compared to patients with related donor transplantation, 66% and 44% (P = 0.241). In conclusion, these results suggest that URD in MM is feasible. The small number of patients with URD emphasizes the need to delineate indications and perform prospective protocols. 相似文献
95.
Jousset F Tenkorang J Vesin JM Pascale P Ruchat P Rollin AG Fromer M Narayan SM Pruvot E 《Journal of cardiovascular electrophysiology》2012,23(9):1003-1012
Kinetics of Atrial Repolarization Alternans. Introduction: Repolarization alternans (Re‐ALT), a beat‐to‐beat alternation in action potential repolarization, promotes dispersion of repolarization, wavebreaks, and reentry. Recently, Re‐ALT has been shown to play an important role in the transition from rapid pacing to atrial fibrillation (AF) in humans. The detailed kinetics of atrial Re‐ALT, however, has not been reported so far. We developed a chronic free‐behaving ovine pacing model to study the kinetics of atrial Re‐ALT as a function of pacing rate. Methods: Thirteen sheep were chronically implanted with 2 pacemakers for the recording of broadband right atrial unipolar electrograms and delivery of rapid pacing protocols. Beat‐to‐beat differences in the atrial T‐wave apex amplitude as a measure of Re‐ALT and activation time were analyzed at incremental pacing rates until the effective refractory period (ERP) defined as stable 2:1 capture. Results: Atrial Re‐ALT appeared intermittently but without periodicity, and increased in amplitude as a function of pacing rate until ERP. Intermittent 2:1 atrial capture was observed at pacing cycle lengths 40 ms above ERP, and increased in duration as a function of pacing rate. Episodes of rapid pacing‐induced AF were rare, and were preceded by Re‐ALT or complex oscillations of atrial repolarization, but without intermittent capture. Conclusion: We show in vivo that atrial Re‐ALT developed and increased in magnitude with rate until stable 2:1 capture. In rare instances where capture failure did not occur, Re‐ALT and complex oscillations of repolarization surged and preceded AF initiation. (J Cardiovasc Electrophysiol, Vol. 23, pp. 1003‐1012, September 2012) 相似文献
96.
97.
David Moszkowicz Roberto Arienzo Idir Khettab Gabriel Rahmi Franck Zinzindohoué Anne Berger Jean-Marc Chevallier 《Obesity surgery》2013,23(5):676-686
Background
Laparoscopic sleeve gastrectomy (LSG) is widely adopted but exposes serious complications.Methods
A retrospective database analysis was done to study LSG staple line complications in a tertiary referral university center with surgical ICU experienced in treatment of morbid obesity and complications. Twenty-two consecutive patients were referred between January 2004 and February 2012 with postoperative gastric leak or stenosis after LSG. Interventions consisted in the control of intra-abdominal and general sepsis; restoration of staple line continuity or revision of LSG; nutritional support; treatment of associated complications. Main outcome measures concerned success rates of therapeutic strategies, morbidity and mortality rates, LOS, and time to cure.Results
Thirteen patients (59 %) were referred after failure of reoperation (seven fistula repairs were attempted). Three patients received emergency surgery in our center with transorificial intubation and jejunostomy formation. An endoscopic stent was tried in nine patients but failed in 84.6 % of cases within 20 days (1–161). Seven patients (32 %) necessitated total gastrectomy within 217 days (0–1,915 days) for conservative treatment failure. Procedures under general anesthesia were required in 41 % of cases, organ failure was found in 55 % of cases, and central venous device infection in 40 %. Mortality rate was 4.5 % (n?=?1). Patients with unfavorable evolution of LSG complications (death or additional gastrectomy) had more previous bariatric procedure (82 % vs. 18 %, p?=?0.003). Median time to cure was 310 days (9–546 days).Conclusions
LSG exposes severe complications occurring in patients with benign condition. Endoscopic stents entail high failure rate. Total gastrectomy is required in one third of the cases. 相似文献98.
Eric Barret Youness Ahallal Rafael Sanchez-Salas Marc Galiano Jean-Marc Cosset Pierre Validire Petr Macek Matthieu Durand Dominique Prapotnich François Rozet Xavier Cathelineau 《European urology》2013
Background
Focal therapy (FT) for prostate cancer (PCa) seems to be part of a natural evolution in the quest to improve the management of early organ-confined disease.Objective
To assess the morbidity of the initial experience of FT in a tertiary referral center for PCa management.Design, setting, and participants
From 2009 to 2011, a total of 1213 patients with clinically localized PCa were treated at our institution. Of these patients, 547 were considered to have indolent disease according to the D’Amico criteria for low-risk disease plus unilateral disease with a maximum of three positive biopsies. A total of 106 patients underwent FT using high-intensity focused ultrasonography (HIFU), brachytherapy, cryotherapy, or vascular-targeted photodynamic therapy (VTP).Outcome measurements and statistical analysis
Complications were prospectively recorded and graded according to the Clavien-Dindo scale. Data were prospectively collected and retrospectively analyzed.Results and limitations
This study included 106 patients, median age 66.5 yr (interquartile range [IQR]): 61–73), who had a prostate hemiablation; 50 patients (47%) had cryotherapy, 23 patients (22%) had VTP, 21 patients (20%) received HIFU, and 12 patients (11%) had brachytherapy. The median prostate-specific antigen (PSA) level was 6.1 ng/ml (IQR: 5–8.1), all the patients had a biopsy Gleason score of 6, and the median prostate weight was 43 g (IQR: 33–55). The median International Prostate Symptom Score was 6 (IQR: 3–10), and the median International Index of Erectile Function score was 20 (IQR: 15–23). After treatment, the median PSA at 3, 6, and 12 mo was 3.1 2.9, and 2.7 ng/ml (IQR: 2–5.1, 1.1–4.7, and 1–4.4), respectively. Thirteen percent of the patients experienced treatment-related complications. There were 11 minor medical complications (10 grade 1 complications and 1 grade 2 complication), 2 grade 3 complications, and no grade 4 or higher complications.Conclusions
FT for a highly selected population with PCa is feasible and had an acceptable morbidity with <2% major complications. 相似文献99.
100.