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TAISHI KUWAHARA M.D. ATSUSHI TAKAHASHI M.D. YOSHIHIDE TAKAHASHI M.D. ATUSHI KOBORI M.D. SHINSUKE MIYAZAKI M.D. ASUMI TAKEI M.D. TADASHI FUJINO M.D. KENJI OKUBO M.D. KATSUMASA TAKAGI M.D. AKIRA FUJII M.D. MASATERU TAKIGAWA M.D. YUJI WATARI M.D. HIROYUKI HIKITA M.D. AKIRA SATO M.D. KAZUTAKA AONUMA M.D. 《Journal of cardiovascular electrophysiology》2013,24(5):510-515
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SHINSUKE MIYAZAKI M.D. TAISHI KUWAHARA M.D. ATSUSHI KOBORI M.D. YOSHIHIDE TAKAHASHI M.D. ASUMI TAKEI M.D. AKIRA SATO M.D. MITSUAKI ISOBE M.D. ATSUSHI TAKAHASHI M.D. 《Journal of cardiovascular electrophysiology》2010,21(11):1193-1198
AF Ablation in Patients With Valvular Heart Disease . Background: The purpose of this study is to evaluate the efficacy of atrial fibrillation (AF) ablation in patients with moderate valvular heart disease (VHD). Methods: In total, 534 consecutive patients who underwent AF ablation were enrolled. Patients with a history of valve surgery or other structural heart disease were excluded. Patients with clinically moderate VHD (group‐1, n = 45) were compared with those without VHD (control group‐2, n = 436). Ipsilateral pulmonary vein antrum isolation (PVAI) was performed with a double Lasso technique in all the patients. Left atrial (LA) linear ablation was undertaken in persistent AF patients, if AF was inducible after PVAI. Results: Patients in group‐1 were significantly older and had a larger LA. PVAI was successfully achieved in all the patients. Patients in group‐1 received LA linear ablation more frequently during the index procedure. After a median of 26 months from the index procedure, the freedom from AF was significantly lower in group‐1 than group‐2 off antiarrhythmic drugs (AADs) (47% vs 69%, P = 0.002). Although there were more number of total procedures in group‐1 than group‐2, the freedom from AF was lower at median 24 months after the last procedure (78% vs 87%, P = 0.038). There was no significant difference in the freedom from AF on AADs (91% vs 95%, P = 0.356) or complication rate between the 2 groups. Atrial tachycardia following the index procedure was observed more frequently in group‐1 (P = 0.001). Conclusion: The patients with VHD undergoing AF ablation are less likely to remain in sinus rhythm at long term without AADs than those without VHD. (J Cardiovasc Electrophysiol, Vol. 21, pp. 1193‐1198, November 2010) 相似文献
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P. GIL‐BERNABE C. N. D'ALESSANDRO‐GABAZZA M. TODA D. BOVEDA RUIZ Y. MIYAKE T. SUZUKI Y. ONISHI J. MORSER E. C. GABAZZA Y. TAKEI Y. YANO 《Journal of thrombosis and haemostasis》2012,10(3):337-346
Summary. Background: Activated protein C (APC) can regulate immune and inflammatory responses and apoptosis. Protein C transgenic mice develop less diabetic nephropathy but whether exogenous administration of APC suppresses established diabetic nephropathy is unknown. Objectives: We investigated the therapeutic potential of APC in mice with streptozotocin‐induced diabetic nephropathy. Methods: Diabetes was induced in unilaterally nephrectomized C57/Bl6 mice using intraperitoneal (i.p.) injection of streptozotocin. Four weeks later, the mice were treated with i.p. exogenous APC every other day for 1 month. Results: APC‐treated mice had a significantly improved blood nitrogen urea‐to‐creatinine ratio, urine total protein to creatinine ratio and proteinuria, and had significantly less renal fibrosis as measured by the levels of collagen and hydroxyproline. The renal tissue concentration of monocyte chemoattractant protein‐1 (MCP‐1), vascular endothelial growth factor (VEGF) and the RNA expression of platelet‐derived growth factor (PDGF), transforming growth factor‐β1 and connective tissue growth factor (CTGF) were significantly lower in APC‐treated mice than in untreated animals. The percentage of apoptotic cells was reduced and the expression of podocin, nephrin and WT‐1 in the glomeruli was significantly improved in mice treated with APC compared with untreated mice. The levels of coagulation markers were not affected by APC treatment. Conclusion: Exogenous APC improves renal function and mitigates pathological changes in mice with diabetic nephropathy by suppressing the expression of fibrogenic cytokines, growth factors and apoptosis, suggesting its potential usefulness for the therapy of this disease. 相似文献
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L. QIN C. N. D’ALESSANDRO‐GABAZZA S. AOKI P. GIL‐BERNABE Y. YANO T. TAKAGI D. BOVEDA‐RUIZ A. Y. RAMIREZ MARMOL V. T. SAN MARTIN MONTENEGRO M. TODA Y. MIYAKE O. TAGUCHI Y. TAKEI J. MORSER E. C. GABAZZA 《Journal of thrombosis and haemostasis》2010,8(4):808-816
Summary. Background: The fibrinolytic system has been implicated in the pathogenesis of pulmonary hypertension (PH). Thrombin‐activatable fibrinolysis inhibitor (TAFI) inhibits fibrinolysis and therefore its absence would be expected to increase fibrinolysis and ameliorate PH. Objective: The objective of the present study was to evaluate the effect of TAFI deficiency on pulmonary hypertension in the mouse. Methods and results: PH was induced in C57/Bl6 wild‐type (WT) or TAFI‐deficient (KO) mice by weekly subcutaneous treatment with 600 mg kg?1 monocrotaline (MCT) for 8 weeks. PH was inferred from right heart hypertrophy measured using the ratio of right ventricle‐to‐left ventricle‐plus‐septum weight [RV/(LV+S)]. Pulmonary vascular remodeling was analyzed by morphometry. TAFI‐deficient MCT‐treated and wild‐type MCT‐treated mice suffered similar weight loss. TAFI‐deficient MCT‐treated mice had reduced levels of total protein and tumor necrosis factor‐alpha (TNF‐α), interleukin‐6 (IL‐6), transforming growth factor‐β (TGF‐β) and monocyte chemoattractant protein‐1 (MCP‐1) in bronchial alveolar lavage compared with wild‐type MCT‐treated mice. The ratio of RV to (LV+S) weight was significantly higher in WT/MCT than in KO/MCT mice. The pulmonary artery wall area and vascular stenosis were both greater in MCT‐treated WT mice compared with MCT‐treated TAFI‐deficient mice. Conclusions: TAFI‐deficient MCT‐treated mice had less pulmonary hypertension, vascular remodeling and reduced levels of cytokines compared with MCT‐treated WT animals, possibly as a result of reduced coagulation activation. 相似文献
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KOBAYASHI YUTAKA; FUJII KAZUFUMI; HIKI YOSHIYUKI; TATENO SUMIO 《QJM : monthly journal of the Association of Physicians》1986,61(1):935-943
Forty-three patients with IgA nephropathy whose proteinuriapersisted between 1.0 and 2.0 g/day were assessed in an uncontrolledpilot study of steroid treatment. Fourteen patients receivean initial dose of 40 mg/day of prednisolone, followed by gradualreduction of the dose over an average period of about 19 months.After discontinuation of corticosteroids, they were treatedwith non-steroid anti-inflammatory drugs and/or anti-thrombocytedrugs to the end of the study. Another 29 patients receivednon-steroid anti-inflammatory drugs and/or anti-thrombocytedrugs throughout the study. Fourteen patients treated with steroidsexperienced considerable reduction in proteinuria and maintainedrenal function over 81 months. In 29 patients treated with non-steroidanti-inflammatory drugs and/or anti-thrombocyte drugs alone,proteinuria did not decrease and renal function deterioratedsignificantly during 60 months. At the end of the study, differencesin degree of proteinuria and in levels of renal function betweenthe steroid and non-steroid groups were statistically significant.In addition, these differences became more distinct in patientswith initial creatinine clearance values 70 ml/min or more inboth groups. These results suggest that treatment with steroidsin IgA nephropathy may be beneficial, especially in the earlystage of the disease. 相似文献
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YUTARO HAYASHI YOSHIYUKI KOJIMA KENTARO MIZUNO AKIHIRO NAKANE SATOSHI KUROKAWA KENJIRO KOHRI 《International journal of urology》2005,12(2):234-238
The adequate correction of penile curvature is essential for successful hypospadias surgery. We describe a novel technique to correct severe penile curvature with a tunica vaginalis flap on the penile ventrum. We applied a tunica vaginalis flap to lengthen the ventral aspect of the tunica albuginea in two boys with significant curvature and proximal hypospadias. Tunica vaginalis flap patching to the ventral aspect of the penis is safe and technically feasible. If penile curvature is severe or the penis is small in hypospadiac patients, lengthening the ventral aspect using a tunica vaginalis flap is likely to expand instead of dorsal plication or ventral graft. 相似文献
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AKIKO YAMAGUCHI YUTARO HAYASHI YOSHIYUKI KOJIMA HIDEO MIYAGAWA MASATO ITO KENJIRO KOHRI 《International journal of urology》2005,12(9):849-851
A 13-year-old-boy with suspected left testicular torsion was referred to our institute. During preparation, a significant decrease of signals on the left testis was found, however, slight blood flow was detected by the ultrasound examination enhanced by Levovist. As a result of the examination we left the testis intact, although the color of the testicular parenchyma remained black. One year after the surgery, an ultrasound examination was done again and good vascurality was observed. 相似文献
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HIROSHI NAKAMURA YUJI MIZOKAMI TAKAHISA SHIRAISHI TOSHIYA OTSUBO KENJI SHIRAI YOSHIYUKI KARIYA TAKAYUKI OMATA HIROKI TAKEYAMA TAKESHI MATSUOKA TAKESHI NISHIGAMI 《Digestive endoscopy》2002,14(1):30-35
A 55‐year‐old male patient with hepatocellular carcinoma underwent transcatheter arterial embolization (TAE). He became febrile and experienced pain at the right hypochondrial region 323 days later, which led to the discovery of a liver abscess that fistulated into the duodenal bulb. There have been no reports on the fistulation of liver abscesses into the digestive system following TAE. Rhodococcus equi was isolated as a causative agent, which distinguished the case further. 相似文献