东省乙型肝炎、肝硬化及肝癌流行趋势分析_医学论文_华夏医界网 关键词】 乙肝;肝硬化;肝癌;流行趋势 [gap=1500]Key words：hepatitis B;liver cirrhosis;liver cancer;epidemiological trend
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Objective To understand the distribution and epidemiological trend of Anti-HCV in blood donors and to select ideal blood donation population.
目的查明丙肝病毒抗体（抗- HCV）在无偿献血人群中的分布及流行趋势，帮助血站选择理想的献血人群。
In most developed countries, cancer is the second largest cause of death after cardiovascular disease, and epidemiological evidence points to this trend emerging in the less developed world.
在大多数发达国家，癌症是仅次于心血管病的第二大死亡原因，而且流行病学证据表明这一趋势在较不发达世界正在显现。
Objective To study the variation trend on the incidence and epidemiological characteristics of birth defects during the period from 1990 through 1999 in Anren County.
目的了解1990 ~ 1999年湖南省安仁县出生缺陷发病率的动态变化趋势及流行病学特征。
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