Geographic Variation in Out-of-Pocket Expenditures of Elderly Medicare Beneficiaries

Langa, Kenneth M; Norton, Edward; Chen, Lena M; Le, Sidney; Epstein, Arnold M. (2014). Geographic Variation in Out-of-Pocket Expenditures of Elderly Medicare Beneficiaries. Journal of the American Geriatrics Society. 62(6), 1097-1104.