1. Cell population kinetics in relation to the growth and treatment of cancer;Steel,1977
2. Primary bioassay of human tumor stem cells;Hamburger;Science,1977
3. An in vitro colony assay for human tumours grown in immune-suppressed mice and treated in vivo with cytotoxic agents;Courtenay;Br J Cancer,1978
4. Comparison of the sensitivity of normal hematopoietic and transplanted lymphoma colony forming cells to chemotherapeutic agents administered in vivo;Bruce;J Natl Cancer Inst,1966
5. Mouse myeloma tumor stem cells: a primary cell culture assay;Park;J Natl Cancer Inst,1971