Sanford KK, et al. Clonal analysis of variant cell lines transformed to malignant cells in tissue culture. J. Natl. Cancer Inst. 23: 1035-1059, 1959. PubMed: 14441477
Likely GD, et al. Further studies on the proliferation in vitro of single isolated tissue cells. J. Natl. Cancer Inst. 13: 177-184, 1952. PubMed: 14946507
Sanford KK, et al. The development of variations in transplantability and morphology within a clone of mouse fibroblasts transformed to sarcoma-producing cells in vitro. J. Natl. Cancer Inst. 15: 215-237, 1954. PubMed: 13233880
Sanford KK. Clonal studies on normal cells and on their neoplastic transformation in vitro. Cancer Res. 18: 747-752, 1958. PubMed: 13573337
Sanford KK, et al. Studies on the difference in sarcoma-producing capacity of two lines of mouse cells derived in vitro from one cell. J. Natl. Cancer Inst. 20: 121-145, 1958. PubMed: 13502776
Scott DB, et al. Analysis of enzymatic activities of clones derived from variant cell lines transformed to malignant cells in tissue culture. J. Natl. Cancer Inst. 25: 1365-1379, 1960. PubMed: 13749340
Dupree, L. T. , et al. Influence of serum protein on determination of nutritional requirements of cells in culture, Exp. Cell Res., 28, 381 (1962)
. . J. Natl. Cancer Inst. 23: 1059, 1960.