Anesthesia-infusion procedure, aiming at the reduction of blood transfusion.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000775:Anesthesia, Spinal; D001803:Blood Transfusion; D008614:Meperidine; D010640:Phenothiazines
D010640:Phenothiazines; D008614:Meperidine; C031637:phenothiazine
ANESTHESIA, SPINAL; BLOOD TRANSFUSION; MEPERIDINE/anesthesia and analgesia; PHENOTHIAZINES/anesthesia and analgesia