1. The Evolution of Differentiation;Bullough,1967
2. Mitotic and functional homeostasis;Bullough;Cancer Res.,1965
3. The production of epidermal cells;Bullough,1964
4. Mitotic control by internal secretion;Bullough;Exp. Cell. Res.,1964
5. Chalone control of mitotic activity in sebaceous glands;Bullough;Cell Tiss. Kinet.,1970