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日本血吸虫主要寄生于肠系膜静脉内，所产的大部分虫卵均随血流直接沉积于肝，因而肝脏受损最早和最重［１］。为了解大山区血吸虫病人群肝脏损害情况，我们在西昌川兴试区用Ｂ超对感染率不同的自然村的２０５例居民进行了检查。现报告如下。１ 材料和方法１１ Ａｌｏｋａ
Schistosoma japonicum mainly parasites in the mesenteric vein, most of the eggs produced by the bloodstream are deposited directly on the liver, so the earliest and heaviest liver damage [1]. In order to understand the liver damage caused by schistosomiasis in Dashan District, we examined 205 residents of natural villages with different infection rates in Xichang, Sichuan Province. The report is as follows. 1 Materials and Methods 1 1 Aloka