Melek Sezgin, Alev Çevikol Demirel, Özgür Ortancıl, Cevriye Karaca, Canan Çınar, and Aytül Çakçı, “THE EFFICACY OF HYALURONAN TREATMENT ON THE KNEE OSTEOARTHRITIS WITH EFFUSION: ONE YEAR PLACEBO CONTROLLED TRIAL”, Archives of Rheumatology, vol. 18, no. 3, pp. 133–139, Sep. 2003.