Lyon, H. C., Healy, J. C., Bell, J. R., O'Donnell, J. F., Shultz, E. K., Wigton, R. S., . . . Beck, J. R. (1991). Findings from an evaluation of PlanAlyzer's double cross-over trials of computer-based, self-paced, case-based programs in anemia and chest pain diagnosis. American Medical Informatics Association.

Lyon, H. C., J. C. Healy, J. R. Bell, J. F. O'Donnell, E. K. Shultz, R. S. Wigton, F. Hirai, a J. R. Beck. Findings From an Evaluation of PlanAlyzer's Double Cross-over Trials of Computer-based, Self-paced, Case-based Programs in Anemia and Chest Pain Diagnosis. American Medical Informatics Association, 1991.

Lyon, H. C., et al. Findings From an Evaluation of PlanAlyzer's Double Cross-over Trials of Computer-based, Self-paced, Case-based Programs in Anemia and Chest Pain Diagnosis. American Medical Informatics Association, 1991.