NitrofurantoinAnti-Infective Agents, UrinaryNitrofuransUrinary Tract InfectionsTrimethoprim-Sulfamethoxazole CombinationNitroreductasesDehydrocholic AcidAnti-Bacterial AgentsCystitisMicrobial Sensitivity TestsDiquatScintillation CountingNitrofurazoneCholagogues and CholereticsDrug Resistance, BacterialAntitrichomonal AgentsDrug Resistance, MicrobialEscherichia coliEscherichia coli InfectionsFurazolidoneBacteriuria