biostudies-literatureUnknown5(9)Rowen NPJAMA network opene2233020https://www.ebi.ac.uk/biostudies/studies/S-EPMC9508655biostudies-literatureEvaluation of Supplemental Benefits Across Medicare Advantage Plans and Beneficiary Demographic Characteristics, 2019 to 2022.PMC9508655Stewart LRowen NPSaunders RSfalseEvaluation of Supplemental Benefits Across Medicare Advantage Plans and Beneficiary Demographic Characteristics, 2019 to 2022.2022-01-01T00:00:00Z2022 Sep2025-04-22T12:13:33.521Z2025-04-06T00:15:29.172ZS-EPMC95086553614965710.1001/jamanetworkopen.2022.33020