1. A preliminary report on tumors found in wild rats;McCoy;J. Med. Res,1909
2. Spontaneous tumors of the rat;Bullock;J. Cancer Res,1930
3. Spontaneous tumors in two colonies of rats of the Wistar Institute of Anatomy and Biology;Ratcliffe;Amer. J. Path,1940
4. Spontaneous tumors in the Rochesterstrain of the Wistar rat;Crain;Amer. J. Path.,1958
5. The influence of nutrition upon the incidence of spontaneous tumors of the albino rat;Saxton;Acta Un. Int. Cancr.,1958