Arij Mechergui, Wafa Achour and Assia Ben Hassen (2021) “Extended Spectrum \(\beta\)-Lactamase in Escherichia coli and Klebsiella pneumoniae: Trends in Hematopoietic Stem Cell Transplant Recipients”, Challenges in Disease and Health Research Vol. 8, pp. 26–31. doi: 10.9734/bpi/cdhr/v8/7479D.