1. Blaeser B (1975) Proliferationskinetik im peritumo-ralen Entzündungsfeld menschlicher Kehlkopf-Carci-nome. Inauguraldissertation Med Fak Münster.
2. Cottier H, Turk J, Sobin LH (1972) A proposal for a standardized system of reporting human lymph node morphology in relation to immunological function. WHO Bull 47:375–406.
3. Dhom G (1982) Latente Metastasen. In: Krebsmetastasen, ihre Entstehung und Behandlung. 4. Oberaudorfer Gespräch 1981. G. Thieme, Stuttgart New York, pp 34–44.
4. Fidler IJ, Kripke ML (1977) Metastasis results from pre-existing variant cells within a malignant tumor. Science 197:893–895.
5. Fiedler IJ (1978) Tumor heterogeneity and the biology of cancer invasion and metastasis. Cancer Res 38:2651–2660.