1. Relation between the so-called two-phase theory and summation theory in carcinogenesis;Baba;Gann,1967
2. Morphologische Untersuchungen zur hyperplaseogenen Wirkung des biologisch aktiven Phorbolesters A1;Bach;Virchows Arch. Abt,1971
3. A new, quantitative approach to the study of the stages of chemical carcinogenesis in the mouse's skin;Berenblum;Brit. J. Cancer,1947
4. Some biological aspects of skin carcinogenesis;Boutwell;Progr. Exptl. Tumor Res.,1964
5. Cytophotometrische Untersuchungen an Zellkernen von experimentell erzeugten Neoplasmen;Goerttler;Z. Krebsforsch,1971