Browsing "1. College of Medicine (의과대학)" by Other Title : omparative Study of the Safety and Effectiveness of Tramadol 37.5 mg/Acetaminophen 325 mg Combined Tablets and Cyclo-Oxygenase-2 (Celecoxib) Inhibitor for the Treatment of Chronic Low Back Pain: A Multicenter, Randomized, Comparative Clinical Study