Nabavighadi, Kaveh Oral multimodal preemptive analgesia improves postoperative pain control and decreases opioid utilization in spinal fusion patients. [electronic resource] - Journal of clinical anesthesia May 2020 - 109679 p. digital Publication Type: Letter ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2019.109679 doi Subjects--Topical Terms: AnalgesiaAnalgesics, Opioid--adverse effectsHumansMorphinePain, Postoperative--drug therapySpinal Fusion--adverse effects