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Background: It is hypothesized that low selenium concentrations are associated with an increased risk of cardiovascular disease and that selenium supplements prevent coronary heart disease.
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背景：假定较低的硒浓度与增加的心血管疾病风险有关，补充硒可以预防冠心病。 |
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Background: Lamivudine-resistant (LAM-R) HBV emerged in 70% of CHB patients by 4 years of LAM therapy.
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背景资料：经过四年的治疗，用拉米夫定治疗慢性乙型肝炎的病人中，70%的病人显现耐药性。 |
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Background: Noninvasive testing for suspected coronary artery disease is challenging.
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背景：对可疑冠状动脉疾病患者行无创性检查富有挑战性。 |
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Background: Nutrion provision in school lunch is an important determinant of dietary habits and obesity among adolescents.
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中文摘要背景：学校午餐的营养提供是影响青少年饮食习惯与肥胖之重要决定因素。 |
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Background: Peritoneal dialysate leakage is one of the major complications of peritoneal dialysis (PD).
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摘要背景：腹膜透析液渗漏是腹膜透析病人所发生重要的并发症之一，其文献报告的结果多所歧异。 |
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Background: Primary malignant melanoma of the nose and paranasal sinus is a rare disease with poor prognosis.
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摘要背景：原发于鼻腔及副鼻窦之黏膜恶性黑色素瘤是一极为少见且预后不好的疾病。 |
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Background: Pulmonary aspergilloma usually arises from the in-growth of colonized Aspergillus from a damaged bronchial tree, a pulmonary cyst, or from the cavities of patients with underlying lung diseases.
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摘要背景：肺部曲菌瘤通常是起因于曲菌的群聚增殖在受损的支气管，肺囊肿，或是在有疾病肺的病人的空腔。 |
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Background: Temproal bone fractures are not uncommonly encountered in the patients with head injuries at the emergent service.
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摘要背景：在急诊常见的头部外伤病人，发生颞骨骨折的比率并不低。 |
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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。 |
