Endorectal per-ejaculatory ultrasonographic study provides a new insight in the mechanics of ejaculation. Presented at the SIU-1994 congress (Sydney). Dr. JM Gil-Vernet
Right transvesical longitudinal ultrasound in a 8 years old girl. There is an altered right ureteral peristalsis and the urine bolus moves forward and backwards in a yo-yo like effect. Dr. JM Gil-Vernet