@article{articleb2ca2a48,
title   = {Respiratory mechanical properties during fentanyl and alfentanil anaesthesia},
author = {Ruiz Neto, P P and Auler Júnior, José Otávio Costa},
year = {1992},
doi = {10.1007/bf03008710},
journal   = {Canadian Journal of Anaesthesia}
}