@article{article0a4458d2,
title   = {Enkephalin is liberated from metorphamide and dynorphin a 1-8 by endooligopeptidase a but not by metalloendopeptiase ec 3.4.24.15},
author = {Toffoletto, Odaly and Metters, K M and Oliveira, E B and Camargo, Antonio Carlos Martins de and Rossier, J},
year = {1988},
journal   = {Biochemical Journal}
}