GentamicinsClindamycinKeratolytic AgentsNicotinic AcidsAcne VulgarisOintmentsAnti-Bacterial AgentsMicrobial Sensitivity TestsErythromycinLincomycinAminoglycosidesDrug Resistance, MicrobialTobramycinDrug Resistance, BacterialBacteria, AnaerobicKanamycinAmikacinCarbenicillinBacteroides fragilisStaphylococcus aureusNetilmicinPenicillinsBacteroides InfectionsDrug Therapy, CombinationSisomicinStaphylococcal InfectionsMetronidazoleMacrolidesStreptococcal InfectionsStaphylococcusVancomycinAmpicillin