Conclusion The aetiological diagnosis of tuberculous pericarditis and viral pericarditis is difficult.

结论结核性心包炎、病毒性心包炎病因诊断困难,心包切除除其治疗作用外,还有诊断价值.

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Object To study the epidemiological and aetiological charactristic of infective endocarditis.

目的:为了探讨感染性心内膜炎的流行病学及病原学特点.

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Objective : To analyze the aetiological characteristics and bacterial susceptibility in paatients with ventilator associated pneumonia.

目的:分 析呼吸机相关肺炎(ventilatorassociatedpneumonia,VAP) 的病原学及药物敏感的情况.

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Now, recent investigations devote to gene, and think it one of the major aetiological factors.

目前最新的研究致力于圆锥角膜病的基因研究, 并认为是主要的病因之一.

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The aetiological fraction attributable to differences in work environment exposures was calculated to be 40 %.

工作环境暴露的差异约占病假可归因危险的40%.

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