TylosinLeucomycinsMacrolidesErythromycinAnti-Bacterial AgentsStreptomycesAzithromycinSpiramycinJosamycinDrug Resistance, BacterialLincosamidesOleandomycinRoxithromycinMonensinRNA, Ribosomal, 23SLiver AbscessMicrobial Sensitivity TestsFermentationClarithromycinLincomycinStreptogramin BIsobutyratesValine Dehydrogenase (NADP+)MethyltransferasesPolyenesKetolidesFusobacterium necrophorumDrug Resistance, MicrobialTrimethylsilyl CompoundsVirginiamycinStreptococcus pyogenesStreptococcus pneumoniaeStreptograminsClindamycinStreptococcal Infections