Hangody, L., Szody, R., Lukasik, P., Zgadzaj, W., Lenart, E., Dokoupilova, E., Bichovsk, D., Berta, A., Vasarhelyi, G., Ficzere, A., Hangody, G., Stevens, G., Szendroi, M. Intraarticular Injection of a Cross-Linked Sodium Hyaluronate Combined with Triamcinolone Hexacetonide (Cingal) to Provide Symptomatic Relief of Osteoarthritis of the Knee: A Randomized, Double-Blind, Placebo-Controlled Multicenter Clinical Trial. Cartilage 2018; 3: 276-283