Department of Surgery, First Hospital of Harbin Medical University, Harbin 150001, China;
Department of Surgery, First Hospital of Harbin Medical University, Harbin 150001, China;
Department of Surgery, First Hospital of Harbin Medical University, Harbin 150001, China;
Department of Surgery, First Hospital of Harbin Medical University, Harbin 150001, China;
Department of Surgery, First Hospital of Harbin Medical University, Harbin 150001, China;
hypoparathyroidism; xenotransplantation; microencapsulation;