Gardner RM, Overhage JM, Steen EB, Munger BS, Holmes JH, Williamson JJ, Detmer DE, Ash JS, Cimino JJ, Covvey D, Gardner RM, Nelson NC, Safran C, Shiffman RN, Spallek H, AMIA Board of Directors. Core content for the subspecialty of clinical informatics. J Am Med Inform Assoc. 2009 Mar-Apr;16(2):153-7. Epub 2008 Dec 11