Michael P. D'Alessandro, M.D. Donna M. D'Alessandro, M.D. CAPT Richard S. Bakalar, USN LT Denis E. Ashley, USNR Mary J.C. Hendrix, Ph.D. Corporation for National Research Initiatives May 1999 article 10.1045/may99-dalessandro http://www.dlib.org/dlib/may99/05dalessandro.html English D-Lib Magazine 1082-9873 5 5 Copyright Two of the authors of this article, CAPT Richard S. Bakalar, MC, USN and LT Denis E. Ashley, MC, USNR, are employed by the U.S. government and therefore their work is not protected by U.S. copyright. (c)1999 Michael P. D'Alessandro, Donna M. D'Alessandro and Mary J.C. Hendrix