SUWAN , K., S. HATANO, P. KONGTAWELERT, P. POTHACHAROEN, and H. WATANABE. “Alteration of Chondroitin Sulfate Composition on Proteoglycan Produced by Knock-in Mouse Embryonic Fibroblasts Whose Versican Lacks the A Subdomain”. Upsala Journal of Medical Sciences, vol. 114, no. 2, July 2009, pp. 73-81, doi:10.1080/03009730902761722.