@misc{misc9123cc13,
title   = {Comparison of hysterosonography, hysterography and hysteroscopy for the evaluation of the uterine cavity: preliminary results},
author = {Franco, R. C. and Berezowski, Aderson Tadeu and Machado, J. C. and Ferreira, R. A. and Ferriani, Rui Alberto and Sala, Maria Matheus de},
year = {1999},
booktitle   = {World Congress of Ultrasound in Obstetrics and Gynecology}
}