@article{article792b729f, title = {Litotripsia extracorporea em calculos radiotransparentes}, author = {Freire, Geraldo de Campos and Borrelli, Milton and Bezerra, C A and Prado, M J and Sakuramoto, P K and Spinola, R T}, year = {1991}, journal = {Jornal Brasileiro de Urologia} }