Long⁃term improvement of cardiac function after myocardial infarction with infectable Polypyrrole⁃Chito⁃ san 
WANG Qi, WANG Xinzhu, JIANG Zengyu, ZHOU Jingli, HE Sheng.
The Journal of Practical Medicine . 2023, (13): 1606 -1613 .  DOI: 10.3969/j.issn.1006⁃5725.2023.13.003