@article{articlea1a030c4,
title   = {Preformed pyrogenic factor / present in rat peritoneal macrophages},
author = {Zampronio, A R and Melo, M C C and Silva, C A A and Pela, I R and Hopkins, S J and Souza, G E P},
year = {1994},
journal   = {Mediators of Inflammation}
}