https://www.hcinnovationgroup.com/interoperability-hie/health-information-exchange-hie/news/21123356/hies-increasingly-connecting-with-community-social-service-organizations-survey-finds

http://www.mobilehealthtimes.com/new-hie-survey-results-show-significant-interoperable-health-data-and-robust-link-between-community-hies-and-community-and-social-service-organizations/

https://bok.ahima.org/doc?oid=302840#.XZfNb3dFxPZ

https://www.fortherecordmag.com/archives/0919p18.shtml