@misc{miscd684d0e2,
title   = {Ultrastructure of the epitheliochorionic placenta in alpacas},
author = {Oliveira, L. and Oliveira, L. and Zago, Douglas Antonio and Bevilacqua, Estela Maris Andrade Forell},
year = {1999},
booktitle   = {Congress of the Brazilian Society for Microscopy and Microanalysis}
}