Analysis of clinical distribution and drug resistance of <i>Escherichia coli </i> and <i>Klebsiella pneumoniae</i> in a hospital of Nanjing from 2020 to 2022 Journal title: Chinese Journal of Clinical Research Authors: ZHANG Hongfang, LU Jin, CHEN Zhicheng, HU Jimei, KONG Qingfang Subject(s): Medicine