Tse T, Zarin D, Williams R, Ide N.The role and importance of clinical trial registries and results databases In: Gallin JI, Ognibene FP, eds, Principles and Practice of Clinical Research. 3rd ed. Amsterdam: Academic Press; 2012: 171-81.
Warner HR, Sittig DF (Interviewer and Editor), Ash JS (Editor), Goodwin RM (Editor).Founder of the HELP System and the Utah Medical Informatics Program: 2005 Interview of Homer R. Warner, Sr. Conversations with Medical Informatics Pioneers: An oral history project.