
Keywords: Hyaluronic acid (PubChem CID: 453617); Chitosan (PubChem CID: 21896651)HA, hyaluronic acid; Cs, chitosan; PEC, polyelectrolyte complex; OA, osteoarthrosis; FLS, fibroblast-like synoviocyte; SF, synovial fluid; VS, viscosupplementationHyaluronic acid; Chit