Filtering by: Creator Miriam R. Elman Remove constraint Creator: Miriam R. Elman Department Dept. of Public Health and Preventive Medicine Remove constraint Department: Dept. of Public Health and Preventive Medicine Keyword research Remove constraint Keyword: research Keyword hepatitis Remove constraint Keyword: hepatitis Keyword epidemiologic methods Remove constraint Keyword: epidemiologic methods Keyword cohort effect Remove constraint Keyword: cohort effect Collection Scholars Archive Remove constraint Collection: Scholars Archive