clinical epidemiological characteristics 临床流行病学特征
sero epidemiological characteristics 血清流行病学特征
molecular epidemiological characteristics 分子流行病学特征
community epidemiological characteristics 流行病学特征
epidemiological characteristics and rules 流行特点和规律
analysis of epidemiological characteristics 流行特征分析
Epidemiological characteristics of measles 麻疹流行特征
features and epidemiological characteristics 流行特征
Objective To understand the epidemiological characteristics of Hand-foot-mouth Disease (HFMD) in Xuchang city in 2009, and to provide scientific evidence for HFMD control and prevention.
目的了解许昌市2009年手足口病的流行特征,为制定和完善手足口病预防控制策略和措施提供科学依据。
参考来源 - 许昌市2009年手足口病流行特征分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective: To analyze some epidemiological characteristics of preterm birth.
目的：探讨早产分娩的部分流行病学特征。
Objective: To ascertain epidemiological characteristics of health risk behaviors among college students.
目的：了解大学生危害健康行为的流行病学特征。
Objective to explore the epidemiological characteristics and risk factors of acute diarrheal disease during a filed exercise.
目的对野外驻训期间我军腹泻病的流行特征及危险因素进行初步研究。
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