Ultrasound images of cutaneous tumors and their clinical and histopathological correlations - Tovo, L F; Cerri, Giovanni Guido; Munhoz, S A; Sampaio, S. A. P.; Rivitti, Evandro Ararigbóia; Golcman, B; Sotto, Mírian Nacagami (International Congress on Ultrasound and the Skin, 1991)