Shevchuk, S. V., L. P. Denyschych, and L. I. Marynych. “Levels of C-Terminal Propeptide of Type I Procollagen and Oxyproline in Patients With Systemic Lupus Erythematosus: The Relationship Between the Course of the Disease and the Structural and Functional State of Bone Tissue”. Regulatory Mechanisms in Biosystems, Vol. 8, no. 2, Mar. 2017, pp. 105-10, doi:10.15421/021718.