Cite

    L. Liu et al.. “The lower ratio of the cartilage destruction and synthesis biomarkers is a risk for the radiographic medial knee joint space narrowing in men in early forties without knee osteoarthritis – A three years prospective observational study "sportology core study 1".” Osteoarthritis and cartilage, vol. 25, n.d., pp. S96–. http://access.bl.uk/ark:/81055/vdc_100045518771.0x000035