text:  Bone Marrow_S020708-232_LEUCOVORIN_1d Bone Marrow, Leucovorin, 1d strain: Sprague Dawley, CD-IGS; tissue: Bone marrow; compound: Leucovorin; dose: 1500 mg/kg; time: 1 d; vehicle: CMC; route: Oral Gavage; Sex: Male; rna extraction date: 2002-07-24; hybridization date: 2002-08-05