Palm Asthma: Design of a System for the Implementation of Asthma Guidelines on Handheld Computers. - Bryant T. Karras; Sujai Nath; Geoffrey J. Corb; Laura Engles-Horton; Richard N. Shiffman (AMIA, 1999)

A preliminary evaluation of guideline content mark-up using GEM-an XML guideline elements model. - Bryant T. Karras; Sujai Nath; Richard N. Shiffman (AMIA, 2000)

Model Formulation: GEM: A Proposal for a More Comprehensive Guideline Document Model Using XML. - Richard N. Shiffman; Bryant Thomas Karras; Abha Agrawal; Roland Chen; Luis N. Marenco; Sujai Nath (J. Am. Medical Informatics Assoc., 2000)