Plapler, Pérola Grinberg Double-blind, randomized, double-dummy clinical trial comparing the efficacy of ketorolac trometamol and naproxen for acute low back pain. [electronic resource] - Drug design, development and therapy 2016 - 1987-93 p. digital Publication Type: Journal Article ISSN: 1177-8881 Standard No.: 10.2147/DDDT.S97756 doi Subjects--Topical Terms: Anti-Inflammatory Agents, Non-Steroidal--administration & dosageDouble-Blind MethodHumansKetorolac--administration & dosageLow Back Pain--drug therapyNaproxen--administration & dosageTromethamine--administration & dosage