text:  Liver_S020805-262_Tretinoin_7 mg/kg_5d Liver, Tretinoin, 5d strain: Sprague Dawley, CD-IGS; tissue: Liver; compound: Tretinoin; dose: 7 mg/kg; time: 5 d; vehicle: Corn Oil; route: Subcutaneous; Sex: Male; rna extraction date: 2002-08-22; hybridization date: 2002-09-02