TY - RPRT TI - Aseptic closed system for injections through continuous spinal catheters. AU - G A Arndt AU - H Klessig PY - 1991 DO - 10.1213/00000539-199112000-00029 UR - https://pubmed.ncbi.nlm.nih.gov/1952187/ ID - 1952187 ER -