曾有一例西尼罗河病毒经胎盘（从母亲到婴儿）传播的报告。
There is one reported case of transplacental (mother-to-child) WNV transmission.
目的探讨亚硝基乙基脲（NEU）经胎盘诱发脑肿瘤动物模型的时间和剂量依赖性。
Objective To study time and dose dependence of animal models with brain neoplasms induced transplacentally with N-ethyl-N-nitrosourea (NEU).
目的研究日本血吸虫病经胎盘传播宿主的血清免疫反应。
Objective To study the immune reaction of host with transplacental transmission of schistosomiasis.
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