however , in a clinical trial of brl 25000 ( amoxicillin-clavulanic acid ) , excellent results were obtained in complicated urinary tract infections caused by serratia marcescens , enterobacter cloacae , and citrobacter freundii strains which produced cephalosporinase and were highly resistant to amoxicillin alone .
C0042029
urinary tract infections
C0002645
amoxicillin