1. Grimm, D.: Disease backs cancer origin theory. Science 5695, 389 (2004)
2. Gruner, O.C.: Study of the changes met with the leukocytes in certain cases of malignant disease. British Journal of Surgery 3, 506–522 (1916)
3. Nieburgs, H.E., Zak, R.G., Allen, D.C., Reisman, H., Clardy, T.: Systemic cellular changes in material from human and animal tissues in the presence of tumours. In: Transactions of the 7th Annual Meeting of the International Society for Cytology, pp. 137–144 (1959)
4. Bibbo, M., Bartels, P.H., Sychra, J.J., Weid, G.L.: Chromatin appearance in intermediate cells from patients with uterine cancer. Acta Cytologica 25, 23–28 (1981)
5. Susnik, B., Worth, A., Le Riche, J., Palcic, B.: Malignancy-associated changes in the breast: changes in chromatin distribution in epithelial cells in normal-appearing tissue adjacent to carcinoma. Analytical and Quantitative Cytology and Histology 17, 62–68 (1995)