to determine whether concurrent administration of a cephalosporin would augment the nephrotoxic potential of gentamicin , additional rats were treated for 4 weeks with daily injections of gentamicin ( 20 mg/kg ) and either cephaloridine , cephalothin , or cefazolin ( 500 mg/kg ) .
C3536856
cephalosporin
C0007727
cephaloridine