Opioid sparing effect of low dose ketamine in patients with intravenous patient-controlled analgesia using fentanyl after lumbar spinal fusion surgery

por Kim, Sang Ho, Kim, Soon Im, Ok, Si Young, Park, Sun Young, Kim, Mun-Gyu, Lee, Se-Jin, Noh, Jung Il, Chun, Hea Rim, Suh, Haejin
Publicado 2013