@inproceedings{inproceedingsceababb8,
title   = {Length of stay: a study about costs of very long stay patients in an orthopedical unit of a teaching Hospital in Ribeirão Preto, Brazil},
author = {Lavrador, Marco Aurélio Sicchiroli and Melo, Márcia Regina Antonietto da Costa},
year = {1999},
booktitle   = {Simpósio de Estatística Aplicada à Experimentação Agronômica}
}