SYAHRURACHMAN, A.; PERMANA, A. In Vitro Synergism of Sulbactam- Cefoperazone and Fosfomycin Against Escherichia Coli and Klebsiella Aeromobilis from Indonesia. Journal Of The Indonesian Medical Association, v. 71, n. 5, p. 209 - 214, 27 Nov. 2021.