text:  Liver_S020211-290_Metronidazole_50 mg/kg_0.25d Liver, Metronidazole, 0.25d strain: Sprague Dawley, CD-IGS; tissue: Liver; compound: Metronidazole; dose: 50 mg/kg; time: 0.25 d; vehicle: Water; route: Oral Gavage; Sex: Male; rna extraction date: 2002-05-07; hybridization date: 2002-05-14