英语语法分析

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。