Ancient China is a country characteristic of epidemic diseases and people s struggle against the diseases.
古代中国是个多疫病的国家，我国劳动人民与疫病进行了顽强的抗争。
According to the region characteristic of epidemic, Lacking Iodine disease is the representative local disease around Inner Mongolia Autonomous region.
根据流行病的地理分布特点，碘缺乏病为内蒙古自治区的典型地方病。
Objective Analyses and probe the clinical symptoms, signs and epidemic characteristic of arsenism caused by coal burning pollution.
目的探讨燃煤污染型砷中毒的临床症状、体征以及流行特点。
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