Fig. 4From: Safety and efficacy of addition of hyaluronidase to a mixture of lidocaine and bupivacaine in scalp nerves block in elective craniotomy operations; comparative studyComparison between the 2 groups as regards perioperative and intraoperative Changes in serum IL-6 levels (pgm/ml). (H) Meaning for the hyaluronidase group, (LA) Meaning for the local anesthetics only groupBack to article page