用“descriptive epidemiology”造句大全,descriptive epidemiology造句
Method:Theepidemicsituationofintestinalinfectionfrom1990to2004inZhengzhouwereanalyzedbydescriptiveepidemiologymethod.MethodsThedataaboutHFMDinXuchangfrom2009to2010werecollected,andthenanalyzedbydescri...