1. Alden CL, Smith PF, Piper CE, Brej L (1996). A critical appraisal of the value of the mouse cancer bioassay in safety assessment. Toxicol. Pathol.. 24: 722–725.
2.
2. Coggins CRE (1998). A review of chronic inhalation studies with mainstream cigarette smoke in rats and mice. Toxicol. Pathol.. 26: 307–314.