Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Guangzhou City of Guangdong Province the Third Affiliated Hospital of Sun Yat-sen University Guanghzou 510630 China;
Children; Systemic lupus erythematosus(SLE); Clinical features; 25(OH)D;