1. Von Hoff DD, Wiesenthal L: In vitro methods to predict for patient response to chemotherapy. Adv in Pharm and Chemother 17: 133–156, 1980.
2. Von Hoff DD, Harris GJ, Johnson G, Glaubiger D: Initial experience with the human tumor stem cell assay system: Potential and problems. In: Cloning of Human Tumor Stem Cells. Salmon SE (ed). New York: Liss, 1980, pp 113–124.
3. Von Hoff DD: A human tumor stem cell system: Concepts, methodology, and application. In: Cancer and Chemotherapy III. Crooke ST and Prestayko AW (eds). Academic Press, 1981, pp 207–218.
4. Salmon SE, Von Hoff DD: In vitro evaluation of anti-cancer drugs with the human tumor stem cell assay. Sem in Oncol 8: 377–385, 1981.
5. Steel GC: Cell kinetics and cell survival. In: Medical Oncology—Medical Aspects of Malignant Disease. Bagshane KD (ed). Oxford: Blackwell Scientific Publication, 1975, pp 49–66.