更进一步来看，主要致病原因仍不明朗，它造成的结果是，很难制定一个统一标准来考察干涉方案的适宜性。
Furthermore, the ultimate cause of the disease remains obscure, which makes it hard to gauge the appropriateness of an intervention.
假性尖锐湿疣是一种至今发病原因不明的疾病，其临床特点和组织病理与尖锐湿疣极易混淆。
Pseudo condyloma is a disease with unknown etiology, its clinical characteristics and tissue pathology and condyloma is very easy to confuse.
目的从分子水平鉴定四川省2005年不明原因疾病病原菌的属、种、型及毒力基因，为诊断和治疗提供科学依据。
Objective to identify the genus, species, type and toxic gene of pathogenic bacteria causing disease outbreak in Sichuan in 2005, in order to provide scientific basis for diagnosis and treatment.
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