CephalosporinsAnti-Bacterial AgentsMicrobial Sensitivity TestsCephalosporin Resistancebeta-LactamasesErythromycinCefiximeCephaloridineCefotaximeCephalosporinaseCeftriaxoneCephalexinPenicillinsRoxithromycinbeta-LactamsDrug Resistance, BacterialDrug Resistance, MicrobialCephalothinCefmenoximeMacrolidesClarithromycinCeftizoximeEnterobacteriaceaeTrachomaBacteriabeta-Lactam ResistanceCefotiamCeftazidimeCefaclorCephradineEnterobacterCefazolinKlebsiella pneumoniaeGram-Negative BacteriaPenicillin ResistancePenicillinaseAztreonamKetolidesStreptococcus pneumoniaeEnterobacteriaceae InfectionsCefoxitinAmoxicillin-Potassium Clavulanate CombinationBacterial InfectionsCefamandoleGonorrheaDrug Resistance, Multiple, BacterialNeisseria gonorrhoeaeCephamycinsAnti-Infective AgentsCefuroximeDoxycyclineKlebsiellaPenicillin GHaemophilus influenzaeCefoperazonePenicillin VAmpicillinEscherichia coliCarbapenemsCefmetazoleFluoroquinolonesCefadroxilKlebsiella InfectionsMoxalactamIsoelectric FocusingEnterobacter cloacaeCefotetanAdministration, OralCiprofloxacinPseudomonas aeruginosaDrug Therapy, CombinationChlamydophila pneumoniaeCephaloglycinAmoxicillinClavulanic AcidGram-Positive BacteriaCross InfectionClindamycinJosamycinCefatrizineLactamsTyphoid FeverPenicillanic AcidCloxacillinStructure-Activity RelationshipEscherichia coli InfectionsImipenemDrug UtilizationClavulanic AcidsCefsulodinGram-Negative Bacterial InfectionsMycoplasma genitaliumHalf-LifeDNA, BacterialPenicillin-Binding ProteinsSalmonella typhiBacterial ProteinsMonobactamsMycobacterium avium-intracellulare InfectionOfloxacin