1. Böök, J. A., E. H. Y. Chu, C. E. Ford, M. Fraccaro, D. G. Harnden, T. C. Hsu, D. A. Hungerford, P. A. Jacobs, J. Lejeune, A. Levan, S. Makino, T. T. Puck, A. Robinson, andJ. H. Tjio: A proposed standard system of nomenclature of human mitotic chromosomes. Lancet1960I, 1063–1065. - Supplement to Cerebr. Palsy Bull.2, No. 3 (1960). - Acta genet. (Basel)10, 322–328 (1960). - Amer. J. hum. Genet.12, 384–388 (1960). - J. Amer. med. Ass.174, 159–162 (1960).
2. Chu, H. Y., and H. N.Giles: Comparative chromosomal studies on mammalian cells in culture. I. The HeLa strain and its mutant clonal derivatives. J. nat. Cancer Inst.20 (1958).
3. Clausen, J. J., andJ. T. Syverton: Comparative chromosomal study of 31 cultured mammalian cell lines. J. nat. Cancer Inst.28, 117–145 (1962).
4. Difco Laboratories: Reagents, media and cell lines for tissue culture and virus propagation. Difco Laboratories, Detroit, Michigan 4th ed., 1964.
5. Eagle, H.: Propagation in a fluid medium of a human epidermoid carcinoma strain. Proc. Soc. exp. Biol. (N.Y.)89, 362–364 (1955).