text:  Heart_S020401-231_Nortriptyline_0.25d Heart, Nortriptyline, 0.25d strain: Sprague Dawley, CD-IGS; tissue: Heart; compound: Nortriptyline; dose: 63 mg/kg; time: 0.25 d; vehicle: Water; route: Oral Gavage; Sex: Male; rna extraction date: 2002-04-23; hybridization date: 2002-05-01