1. Individuals' access and use of patient portals and smartphone health apps: 2020 Author(s): Johnson, Christian, MPH (based on t.p. from bib 9918317682006676), authorRichwine, Chelsea, authorPatel, Vaishali, author Publication: Washington, DC : Office of the National Coordinator for Health Information Technology, September 2021 Subject(s): Facilities and Services Utilization -- statistics & numerical dataMobile ApplicationsPatient PortalsSmartphonePhysician's RoleUnited StatesUnited States. Department of Health and Human Services.
