Paterno, Marilyn D and Maviglia, Saverio M and Gorman, Paul N and Seger, Diane L and Yoshida, Eileen and Seger, Andrew C and Bates, David W and Gandhi, Tejal K (2009) Tiering drug-drug interaction alerts by severity increases compliance rates. Journal of the American Medical Informatics Association, 16, (1), pp. 40-46. doi: 10.1197/jamia.M2808.