Babcock J R, Shkolnik A, Cook W A
J Urol. 1979 Mar;121(3):327-9. doi: 10.1016/s0022-5347(17)56772-5.
Percutaneous nephrostomy drainage may be established rapidly using ultrasonic guidance in severely ill pediatric patients with obstructive uropathy. B-mode ultrasonography has proved to be rapid, accurate and free of irradiation hazards, making it applicable to children with little or no sedation.