1. Examination of abdominal masses by pulsed ultrasound;Donald;Lancet,1958
2. Ultrasonography in Obstetrics and Gynecology;Hobbins,1977
3. Ultrasonic Studies of Bladder Filling and Contour;Holmes,1977
4. Real time ultrasonography in the evaluation of urinary stress incontinence;White;Am J Obstet Gynecol,1980
5. Ultrasonography in the evaluation of urethrovesical dynamics of genuine stress incontinence and detrusor instability;Bhatia,1980