Ballard, D. W., Price, M., Fung, V., Brand, R., Reed, M. E., Fireman, B., . . . Hsu, J. (2010). Validation of an Algorithm for Categorizing the Severity of Hospital Emergency Department Visits.

Ballard, Dustin W., Mary Price, Vicki Fung, Richard Brand, Mary E. Reed, Bruce Fireman, Joseph P. Newhouse, Joseph V. Selby, i John Hsu. Validation of an Algorithm for Categorizing the Severity of Hospital Emergency Department Visits. 2010.

Ballard, Dustin W., et al. Validation of an Algorithm for Categorizing the Severity of Hospital Emergency Department Visits. 2010.