科学与环境
The introduction of a medieval public health system exposed the population to roundworm
来源: Phys.org - latest science and technology news stories · 发布于
Medieval health and sanitation efforts involved deliberate interventions; however, some of these measures had the opposite effect, leading to an increased spread of disease in Trondheim.
Medieval health and sanitation efforts involved deliberate interventions; however, some of these measures had the opposite effect, leading to an increased spread of disease in Trondheim.
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