Model Formulation: The PING Personally Controlled Electronic Medical Record System: Technical Architecture. - William W. Simons; Kenneth D. Mandl; Isaac S. Kohane (J. Am. Medical Informatics Assoc., 2005)

Integration of the Personally Controlled Electronic Medical Record into a Regional and Data Exchange: A National Demonstration. - William W. Simons; John D. Halamka; Isaac S. Kohane; Daniel J. Nigrin; Nathan Finstein; Kenneth D. Mandl (AMIA, 2006)

Indivo: a personally controlled health record for health information exchange and communication. - Kenneth D. Mandl; William W. Simons; William C. R. Crawford; Jonathan M. Abbett (BMC Medical Informatics Decis. Mak., 2007)