@article{article926f8edd,
title   = {Serum y - glutamyl transpeptidase in chronic extrahepatic cholestasis},
author = {Castro e Silva Júnior, Orlando de and Franco, C F F and Souza, M E J and Picinato, M A N C and Santos, J S and Ceneviva, Reginaldo},
year = {1990},
journal   = {Brazilian Journal of Medical and Biological Research}
}