1. Ahlström, C.G., Berg, N.O.: Fluorescence analysis of the histological localization of 3,4-benzpyrene in mouse skin with special regard to variations between different areas of the skin. Acta path. microbiol. scand. 24, 283–298 (1947)
2. Albert, R.E., Newmann, W., Altschuler, B.: The dose-response relationships of beta-ray-induced skin tumors in the rat. Radiat. Res. 15, 410–430 (1961)
3. Albert, R.E., Phillips, M.E., Bennett, P., Burns, F., Heimbach, R.: The morphology and growth characteristics of radiationinduced epithelial skin tumors in the rat. Cancer Res. 29, 658–668 (1969)
4. Arb. Inst. exp. Ther.;H Apolant,1906
5. Appel, M., Saphir, O., Strauss, A.A.: Morphologic alterations in the regressing Brown-Pearce tumor and their relation to changes due to irradiation. Arch. Path. 31, 317–325 (1941)