SerratiaCefamandoleSerratia marcescensSerratia InfectionsCephalosporinsMandelic AcidsCephalothinCefazolinCefoxitinMicrobial Sensitivity TestsEnterobacteriaceaeCephapirinCephalosporinaseAnti-Bacterial AgentsProdigiosinBacteriaSerratia liquefaciensDrug Resistance, MicrobialEnterobacterCefonicidCefuroximePenicillin ResistanceCarbenicillinAmpicillinCephaloridineCephamycinsProteusMoxalactamMethicillinCephalexinSpecies SpecificityCefoperazoneEnterobacteriaceae InfectionsPremedicationStaphylococcusTobramycinCulture MediaEscherichia colibeta-Lactamases