Changes in pain, disability, and medication usage over time after facet joint injection of hylan G-F 20. Prospective pilot study of painful lumbar facet joint arthropathy after intra-articular injection of hylan G-F 20.
Safety and efficacy of 2 intra-articular, fluoroscopically guided hylan G-F 20 injections for painful glenohumeral osteoarthritis Efficacy and safety of hylan G-F 20 for symptomatic glenohumeral osteoarthritis: a prospective, pilot study.