Altman, R. D., Akermark, C., Beaulieu, A. D., Schnitzer, T. Efficacy and safety of a single intra-articular injection of non-animal stabilized hyaluronic acid (NASHA) in patients with osteoarthritis of the knee. Osteoarthritis and Cartilage 2004; 8: 642-649

PubMed ID: PM:21041576