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Background: The association between benign anal lesions and anal cancer is still unclear. Few data from large cohort studies are aailable.
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背景：良性肛门损伤和肛门癌之间的联系还不清除。尚缺乏有效的大规模的群组分析数据。 |
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Background: The oerall safety of surgical lung biopsy in patients with idiopathic interstitial pneumonia (IIP) remains controersial.
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背景：患特发性间质性肺炎（IIP）的病人行外科肺活检术的总的安全性仍存在争议。 |
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Background: There has been an increase in the number of pregnancies in renal transplant recipients.
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背景：肾移植后妊娠数量正在逐渐上升。 |
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Background: This study examines the impact of donor liver macrovesicular steatosis on recurrence of hepatitis C virus (HCV) disease after liver transplantation.
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目的：本研究旨在检测供体肝微小脂肪变性对肝移植后丙肝复发的影响。 |
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Background: We reviewed the patients who un der went tricuspid valve replacement (TVR) to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position.
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背景：对接受过三尖瓣置换术(TVR)的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。 |
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Background: While the medical society is promoting evidence-based medicine (EBM) and trying to develop clinical practice guidelines (CPGs), the legal society is introducing the hearsay rules and the cross-examination system.
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研究背景：九十三度司法院开始设置医事专业法庭，在此同时也适逢刑事诉讼法改采当事人进行主义，而医界正积极推动实证医学，并且尝试以实证医学的方法来制定医疗行为准则。 |
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Backgrounds - if you have one, remove it.
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背景–如果你拥有一个背景，那么请删除它。 |
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Background— Because of the health impact of acute myocardial infarction (AMI), substantial resources hae been dedicated to improing AMI care and outcomes.
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背景：由于急性心梗严重影响健康，医疗资源主要用于改善急性心梗的护理与结局。 |
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Background— Cross-sectional studies demonstrated ethnic and gender differences in ambulatory blood pressure patterns, but little is known about the longitudinal deelopment of these differences.
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背景：横向研究表明动态血压模式在人种和性别之间存在差异，但对这种差异的纵向发展却知之甚少。 |
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Background— In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary interention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improes patency and i
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背景：现在研究是为了决定是否采取经皮冠脉介入术开通心肌梗死急性期过后的病人的已经持久闭塞的梗死相关动脉，以期能改善血管开通和左室容积以及射血分数。 |
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Background— Mild commissural mitral regurgitation (MR) is associated with significantly higher restenosis-free surial after percutaneous mitral aluloplasty (PM), which suggests that different mechanisms of significant MR after PM may hae different clinica
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背景：经皮二尖瓣成形术后严重高度非再狭窄存活率与轻度交界处损伤的二尖瓣关闭不全相关，表明经皮二尖瓣成形术后严重二尖瓣关闭不全的不同机制可能有不同的临床过程。 |
