1. Review of leukocytes;Lajtha;Natl. Cancer Inst. Monogr.,1973
2. Intestinal cytodynamics: adductions from drug radiation studies;Hagemann,1973
3. Natural history of malignant stem cells;Pierce,1974
4. Stem Cells of Renewing Cell Populations,1976
5. Early events in haemopoietic cell differentiation;van Engh,1976