N. Putthanachote, S. Homkrai, N. Sangsa, S. Pakmaruek, W. Kudwongsa, and P. sarakarn, “Association between antibiotics used and risk of extended-spectrum β-lactamases Klebsiella pneumoniae Infection”, Arch AHS, vol. 30, no. 1, pp. 57–69, Jun. 2018.