NitrofurantoinAnti-Infective Agents, UrinaryNitrofuransUrinary Tract InfectionsTrimethoprim-Sulfamethoxazole CombinationNitroreductasesDehydrocholic AcidCystitisDiquatScintillation CountingNitrofurazoneCholagogues and CholereticsAnti-Bacterial AgentsAntitrichomonal AgentsMicrobial Sensitivity TestsDrug Resistance, BacterialFurazolidoneBacteriuria