6Woodbury PW, Mitchell ME, Scheidler DM, et al. Constant pressure perfusion:a method to determine obstruction in the upper urinary tract[J]. J Urol,1989,142(2 Pt 2) :632.
7Whitater RH. Perfusion pressure flow studies in diagnostic techniques in urology [ M ]. Philadephia: Saunders WB, 1990:135.
8Tillig B, Mutschke O, Rolle U, et al. Effects of artificial obstruction on the function of the upper urinary tract of Guinea pigs, rats and pigs [ J]. Eur J Pediatr Surg, 2004, 14(5) :303.
9Huang WY, Peters CA, Zurakowski D, et al. Renal biopsy in congenital ureteropelvic junction obstruction: evidence for parenchymal maldevelopment [ J ]. Kidney Int ,2006,69 ( 1 ) : 137.