Changes and significance of serum Copeptin and MMP-9 in children with chronic heart failure　

　PANG Chunyu, WU Xueli, REN Liying, WANG Xusong, HONG Li

Journal of Clinical Pediatrics . 2018, (6): 432 - . DOI: 10.3969/j.issn.1000-3606.2018.06.008