Ranking hospitals by the quality of care for medical conditions: the role of complications.

Por Williams, S., Pauly, M. V., Rosenbaum, P. R., Ross, R., Schwartz, J. S., Shpilsky, A., Silber, J. H.
Publicado em 1996

Conditional Length of Stay.

Por Silber, J H, Rosenbaum, P R, Koziol, L F, Sutaria, N, Marsh, R R, Even-Shoshan, O
Publicado em 1999