1. 3. Urinary system.;Alden,1992
2. 5. Integumentary system;Bader,1993
3. Quality assurance in pathology for rodent carcinogenicity studies;Boorman,1985
4. 6. Endocrine system;Botts,1994
5. 7. Central nervous system; heart; eye; mesothelium;Cardesa,1994