text:  Liver_S011023-147_Methotrexate_0.3 mg/kg_0.25d Liver, Methotrexate, 0.25d strain: Sprague Dawley, CD-IGS; tissue: Liver; compound: Methotrexate; dose: 0.3 mg/kg; time: 0.25 d; vehicle: Corn Oil; route: Oral Gavage; Sex: Male; rna extraction date: 2001-11-19; hybridization date: 2001-12-03