@article{articlee7e35a3a,
title   = {Effect of ph and metal chelators upon the sedimentation velocity of odontophrynus americanus vitellogenin},
author = {Winter, Carlos Eduardo and Floeter-Winter, Lucile Maria and Affonso, M H T and Becak, W},
year = {1991},
journal   = {Brazilian Journal of Medical and Biological Research}
}