Practical Geriatrics
Predictive value of metalloproteinase-inhibiting factors for in-hospital death in elderly patients with chronic heart failure
LI Jun, LYU Zhen, LI Bei-bei
Practical Geriatrics . 2021, (11): 1162 -1165 .  DOI: 10.3969/j.issn.1003-9198.2021.11.014