1. Tokuhata, G. K.: Morbidity and mortality among offspring of breast cancer mothers. Amer. J. Epidem. 89, 139 (1969).
2. Borrel, A.: Le probleme du cancer revue. Bull. Inst. Pasteur 5, 497–512, 593–608, 641–662 (1907).
3. Murray, J. A.: Cancerous ancestry and the incidence of cancer in mice. Sci. Rep. Cancer Res. Fd (Lond.) 4, 114 (1911).
4. Murray, J. A.: The genetics of mammary tumor incidence in mice. Genetics 20, 466 (1935).
5. Murray, W. S., Little, C. C: Extrachromosomal influence of mammary and non-mammary tumors in mice. Amer. J. Cancer 27, 516 (1936).