Authors' Reply

Gentry LO . Efficacy and safety of cefamandole plus either gentamicin or tobramycin in therapy of severe gram-negative bacterial infections. J Infect Dis 1978; 137(Suppl): S144–9.

Klastersky J Cappel R Swings G Vandenborre L . Bacteriological and clinical activity of the ampicillin/gentamicin and cephalothin/gentamicin combinations. Am J Med Sci 1971; 262: 283–90.

Klastersky I Henri A Vandenborre L . Antimicrobial activity of tobramycin and gentamicin used in combination with cephalothin and carbenicillin. Am J Med Sci 1973; 266: 13–21.

Klastersky J Nyamubeya B Vandenborre L . Antimicrobial effectiveness of kanamycin, aminosidin, BB-K8, sisomicin, gentamicin and tobramycin combined with carbenicillin or cephalothin against gram negative rods. J Med Microbiol 1974; 7: 465–72.

Keller H Bircher J . Miscellaneous antibiotics. In: Dukes MNG , ed. Meyler's side effects of drugs, 9th ed. Amsterdam: Excerpta Medica, 1980;460.

Luft FC Evan AP . Comparative effects of tobramycin and gentamicin on glomerular ultrastructure. J Infect Dis 1980; 142: 910–4.

Evan AP Huser J Auasthi PS Rankin LI Luft FC . Gentamicin-induced glomerular injury. In: Nelson ID Grassi C , eds. Current chemotherapy and infectious disease. Washington: American Society for Microbiology, 1980: 590–3.

Dahlgren JG Anderson ET Hewitt WL . Gentamicin blood levels: A guide to nephrotoxicity. Antimicrob Agents Chemother 1975; 8: 58–62.

Giamarellou H Petrikkos G Doudoulaki P Diakos GK . Prospective comparative evaluation of gentamicin alone and gentamicin plus various cephalosporins with respect to nephrotoxicity in humans. In: Siegenthaler W Luthy R , eds. Current chemotherapy. Washington: American Society for Microbiology, 1978: 968–70.

Achieving optimal aminoglycoside serum concentrations in gram-negative infections. Schering Corporation Professional Literature, 1980: GA-866/11930905.

Cronin RE . Aminoglycoside nephrotoxicity: Pathogenesis and prevention. Clin Nephrol 1979; 11: 251–6.

Hoigne R Hopf B Sonntag R . Penicillins, cephalosporins and tetracyclines. In: Dukes MNG , ed. Meyler's side effects of drugs, 9th ed. Amsterdam: Excerpta Medica, 1980: 425.

Birkhead HA Briggs GB Saunders LZ . Toxicology of cefazolin in animals. J Infect Dis 1973; 128(Suppl): S379–81.

Barza M . The nephrotoxicity of cephalosporins: An overview. J Infect Dis 1978; 137(Suppl): S60–73.

Marsh FP . Do cephalosporins potentiate or antagonize aminoglycoside nephrotoxicity? J Antimicrob Chemother 1978; 4: 103–11.