1. Mental health and substance use disorder parity under the ACA: national and state estimates of parity gains as of 2017 Author(s): Au Yeung, Caroline, authorPlanalp, Colin, author Publication: [Minneapolis, Minnesota] : State Health Access Data Assistance Center, July 2019 Subject(s): Healthcare Disparities -- legislation & jurisprudenceHealthcare Disparities -- trendsInsurance Coverage -- legislation & jurisprudenceInsurance Coverage -- trendsMental Health Services -- legislation & jurisprudenceForecastingHealth Services Accessibility -- legislation & jurisprudenceFederal GovernmentMedicaidMental DisordersSmall BusinessSubstance-Related DisordersState GovernmentHumansUnited StatesUnited States.