the combined actions of sisomicin ( siso ) , gentamicin ( gm ) and cefmenoxime ( cmx ) , ceftizoxime ( czx ) , cefoperazone ( cpz ) , cefotetan ( ctt ) against s. marcescens ifo-3735 and p. aeruginosa ifo-12689 were investigated .
C0037209
sisomicin
C0017436
gentamicin