TY - GEN AU - Guillén Perales,J AU - Delgado Tapia,J A AU - González Peláez,M AU - Santiago Martín,J TI - [Catheter knotting during continuous brachial plexus analgesia by the paraescalene approach] SN - 0034-9356 PY - 2007///0320 KW - Analgesia KW - instrumentation KW - Brachial Plexus KW - Catheterization KW - Equipment Failure KW - Female KW - Humans KW - Middle Aged N1 - Publication Type: Case Reports; Letter ER -