@misc{misc8ec9dadd,
title   = {Litotripsia extracorporea em calculos complexos},
author = {Nahas, W C and Cabral, B H and Chambo, J L and Henrique, A and Sadi, A and Arap, S},
year = {1991},
booktitle   = {Congresso Brasileiro de Urologia}
}