Ding X, Liang H, Qi X, Sun G, et al. Changes of Klebsiella pneumoniae infection and carbapenem resistance in ICU
elderly infected patients before and after the COVID-19 pandemic in Zhengzhou,
China. J Infect 2023 Jan 9:S0163-4453(23)00009-9. doi: 10.1016/j.jinf.2023.
PMID: 36632942