Tłustochowicz , W. 2021. Use of slow-acting symptomatic drugs in osteoarthritis. The effectiveness of the combination of glucosamine and chondroitin in the light of the evidence. Medycyna Faktow (J EBM). 14, 1(50) (Mar. 2021), 110-115. DOI:https://doi.org/10.24292/01.MF.0121.15.