TY - RPRT TI - Obstructive pathophysiologic changes in retroperitoneal fibrosis. AU - S M Cohen AU - R W Eckel AU - L Persky PY - 1966 DO - 10.1001/archsurg.1966.01320230043007 UR - https://pubmed.ncbi.nlm.nih.gov/5934211/ ID - 5934211 ER -