1. Spontaneous neoplastic lesions in the CDF(F344/CrlBR) rat;Lang,1990
2. Spontaneous neoplastic lesions and selected non-neoplastic lesions in the Crl:CDBr rat;Lang,1992
3. Development of Leydig cell tumors and onset of changes in the reproductive and endocrine systems of aging F344 rats;Turek;J Natl Cancer Inst,1979
4. Spontaneous neoplastic lesions in the Crl:CD-1(ICR)BR mouse;Lang,1987
5. Spontaneous neoplastic lesions in the B6C3Fl/CrlBR mouse;Lang,1989