Fertel, B. S., Hart, K. W., Lindsell, C. J., Ryan, R. J., & Lyons, M. S. (2015). Patients Who Use Multiple EDs: Quantifying the Degree of Overlap between ED Populations. West J Emerg Med.

Fertel, Baruch S., Kimberly W. Hart, Christopher J. Lindsell, Richard J. Ryan, and Michael S. Lyons. "Patients Who Use Multiple EDs: Quantifying the Degree of Overlap between ED Populations." West J Emerg Med 2015.

Fertel, Baruch S., et al. "Patients Who Use Multiple EDs: Quantifying the Degree of Overlap between ED Populations." West J Emerg Med 2015.