ESRA19-0071 Ultrasound-guided bilateral modified thoracolumbar interfascial plane or infiltration block for analgesia after lumbar spinal surgery: a prospective randomized open blinded end-point study
ESRA19-0071 Ultrasound-guided bilateral modified thoracolumbar interfascial plane or infiltration block for analgesia after lumbar spinal surgery: a prospective randomized open blinded end-point study