Psychometric properties of an instrument to assess Medicare beneficiaries' prescription drug plan experiences.
Martino SC, Elliott MN, Cleary PD, Kanouse DE, Brown JA, Spritzer KL, Heller A, Hays RD. Psychometric properties of an instrument to assess Medicare beneficiaries' prescription drug plan experiences. Medicare & Medicaid Research Review 2009, 30: 41-53. PMID: 19544934, PMCID: PMC4195071.Peer-Reviewed Original Research