Shevchuk, S. V.; Denyschych, L. P.; Marynych, L. I. 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. Regul. Mech. Biosyst. 2017, 8, 105-110.