@misc{misc4ccf5c6c,
title   = {Isolation of intracellular symbionts by percoll gradient of Crithidia deanei and characterization of their DNA},
author = {Novak, E. and Haapalainen, Edna and Silva, S and Silveira, J. F.},
year = {1987},
booktitle   = {Reunião Anual da Sociedade Brasileira de Protozoologia}
}