Katz, Nathaniel Onset of pain relief with rofecoxib in chronic low back pain: results of two four-week, randomized, placebo-controlled trials. [electronic resource] - Current medical research and opinion May 2004 - 651-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0300-7995 Standard No.: 10.1185/030079904125003160 doi Subjects--Topical Terms: AdolescentAdultAgedAnti-Inflammatory Agents, Non-Steroidal--therapeutic useCyclooxygenase Inhibitors--therapeutic useDisability EvaluationDouble-Blind MethodFemaleHumansLactones--therapeutic useLow Back Pain--drug therapyMaleMiddle AgedPain MeasurementSulfonesTime FactorsTreatment Outcome