用“retrospective cohort”造句大全,retrospective cohort造句
1、MethodsAretrospectivecohortstudywasusedinthisstudy.2、ResearchDesignandMethods:AretrospectivecohortstudyusingdataobtainedfromtheVHADiabetesEpidemiologyCohortwasemployed.3、MethodsAcrosssectionaland...