epidemiology survey meaning in Chinese

流行病学调查

An epidemiology survey and risk factors analysis of hypertension
721例高血压相关危险因素分析
Research of method for tuberculosis epidemiology survey
利用症状者检查作为肺结核患病率调查方法的研究
Epidemiology survey on virological diarrhea among children in rural of qinhuangdao city
2001年婴幼儿杯状病毒腹泻流行病学研究
Epidemiology survey on outbreaks of human rotavirus diarrhea in 2 urban pediatric wards
两起儿科病房轮状病毒腹泻院内感染的现场流行病学调查