text:  Heart_S020805-114_Nifedipine_1d Heart, Nifedipine, 1d strain: Sprague Dawley, CD-IGS; tissue: Heart; compound: Nifedipine; dose: 1022 mg/kg; time: 1 d; vehicle: CMC; route: Oral Gavage; Sex: Male; rna extraction date: 2002-08-21; hybridization date: 2002-09-05