TY - GEN AU - Greenfield,S P TI - Posterior urethral valves--new concepts SN - 0022-5347 PY - 1997///0324 KW - Child KW - Humans KW - Kidney Transplantation KW - Urethra KW - abnormalities KW - Urinary Bladder Neck Obstruction KW - diagnosis N1 - Publication Type: Comment; Editorial UR - https://doi.org/10.1016/s0022-5347(01)65129-2 ER -