1. The coverage gap: uninsured poor adults in states that do not expand Medicaid Author(s): Garfield, authorDamico, Anthony, authorOrgera, Kendal, author Publication: San Francisco, CA : Henry J. Kaiser Family Foundation, June 2018 Subject(s): Health Care ReformInsurance Coverage -- statistics & numerical dataMedicaid -- statistics & numerical dataAdultEligibility DeterminationMedically Uninsured -- statistics & numerical dataPovertyState GovernmentHumansUnited StatesUnited States.