Ellison, J., Walley, A. Y., Feldman, J. A., Bernstein, E., Mitchell, P. M., Koppelman, E. A., & Drainoni, M. (2016). Identifying Patients for Overdose Prevention With ICD-9 Classification in the Emergency Department, Massachusetts, 2013-2014. Public Health Rep.

Ellison, Jacqueline, Alexander Y. Walley, James A. Feldman, Edward Bernstein, Patricia M. Mitchell, Elisa A. Koppelman, and Mari-Lynn Drainoni. "Identifying Patients for Overdose Prevention With ICD-9 Classification in the Emergency Department, Massachusetts, 2013-2014." Public Health Rep 2016.

Ellison, Jacqueline, et al. "Identifying Patients for Overdose Prevention With ICD-9 Classification in the Emergency Department, Massachusetts, 2013-2014." Public Health Rep 2016.