Filtering by: Creator Miriam R. Elman Remove constraint Creator: Miriam R. Elman Degree M.P.H. Remove constraint Degree: M.P.H. Keyword research Remove constraint Keyword: research Keyword epidemiologic methods Remove constraint Keyword: epidemiologic methods Keyword cohort effect Remove constraint Keyword: cohort effect Collection Scholars Archive Remove constraint Collection: Scholars Archive Resource type thesis Remove constraint Resource type: thesis