text:  Spleen_S011030-269_Hydroxyurea_59 mg/kg_1d Spleen, Hydroxyurea, 1d strain: Sprague Dawley, CD-IGS; tissue: Spleen; compound: Hydroxyurea; dose: 59 mg/kg; time: 1 d; vehicle: Saline; route: Oral Gavage; Sex: Male; rna extraction date: 2002-02-02; hybridization date: 2002-02-11