Objective: To study the preliminary clinical application of serum pyridinoline cross-linked carboxy-terminal telopeptide of type I collagen(ICTP) detection in patients with rheumatoid arthritis(RA).

• 目的:研究I型胶原吡啶交联终肽(ICTP)检测在类风湿关节炎(RA)中的初步应用。