TY - RPRT TI - Improved technique for rethreading and modifying Cope loop retention catheters. AU - D E Wohlmuth AU - D B Price AU - D H Gordon PY - 1987 DO - 10.1007/bf02577997 UR - https://pubmed.ncbi.nlm.nih.gov/3111701/ ID - 3111701 ER -