Qinghai Institute for Endemic Disease Prevention and Control;
Xining 811602;
Qinghai;
China;
Center for Endemic Disease Control;
Chinese Center for Disease Control and Prevention;
Harbin Medical University;
Harbin 150087;
Heilongjiang;
China;
CTX; KBD; DPD; Detection of the Urinary Biomarkers PYD; and DPD in Patients with Kashin-Beck Disease in the Qinghai Province of China;