TY - RPRT TI - Caval umbrella causing obstructive uropathy. AU - D Flanagan AU - T Creasy AU - F Chataway AU - D Kerr PY - 1996 DO - 10.1136/pgmj.72.846.235 UR - https://pubmed.ncbi.nlm.nih.gov/8733535/ ID - 8733535 ER -