Surface-Active AgentsSurface TensionPulmonary SurfactantsAdsorptionProteolipidsSurface PropertiesPhospholipidsWaterLegislation, DrugLicensureVeterinary DrugsSubstance PPharmaceutical PreparationsTherapeutic EquivalencyAnti-Bacterial AgentsDrug ContaminationTissue ExtractsPharmacoepidemiologyDrug ApprovalTabletsDialysisPlant ExtractsChromatography, High Pressure LiquidEuropean UnionBiological ProductsChemistry, PharmaceuticalMicrobial Sensitivity TestsOutpatientsStreptomycesDrug UtilizationBiological Assay