prevalence survey meaning in English

流行调查
现患调查
现况调查

Prevalence survey of commonly pathogenic bacteria in clinic
临床常见致病菌现状分析
Prevalence survey of smoking pattern among peasants in china
中国农村居民吸烟行为调查
A prevalence survey of diabetes among the dead inpatients in shanghai
上海市住院死亡人群糖尿病患病情况调查
Prevalence survey on simple obesity under 7 years old children in fujian
福建省7岁以下儿童单纯性肥胖症患病率调查
Prevalence survey on lung diseases of 525 patients with systemic lupus erythematosus
系统性红斑狼疮患者525例肺部病变的调查

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