[PROLONGED PERIDURAL ANESTHESIA WITH THE USE OF POLYVINYL PYRROLIDONE].
D000758:Anesthesia / Q000009:adverse effects*; D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D001650:Bile Duct Neoplasms; D005853:Geriatrics; D006801:Humans; D011145:Polyvinyls; D011205:Povidone; D013514:Surgical Procedures, Operative
D011145:Polyvinyls; D011205:Povidone
ANESTHESIA COMPLICATIONS; ANESTHESIA, SPINAL; BILE DUCT NEOPLASMS; GERIATRICS; POLYVINYLPYRROLIDONE; SURGERY, OPERATIVE
PRODLENNAIA PERIDURAL'NAIA ANESTEZIIA S PRIMENENIEM POLIVINILPIRROLIDONA.