text:  Bone Marrow_S011030-267_HYDROXYUREA_0.25d Bone Marrow, Hydroxyurea, 0.25d strain: Sprague Dawley, CD-IGS; tissue: Bone marrow; compound: Hydroxyurea; dose: 59 mg/kg; time: 0.25 d; vehicle: Saline; route: Oral Gavage; Sex: Male; rna extraction date: 2002-02-07; hybridization date: 2002-02-19