PubMed=4955550
Jiro Sato;
Carcinogenesis in tissue culture. IV. Proliferation-inducing effect of 4-dimethylaminoazobenzene and 3'-methyl-4-dimethyl-aminoazobenzene on liver cells from normal Donryu rats in culture.
Jpn. J. Exp. Med. 35:433-444(1965)

PubMed=4955551
Jiro Sato, Tamae Yabe;
Carcinogenesis in tissue culture. V. Effects of long-term addition of 4-dimethyl-aminoazobenzene and 3'-methyl-4-dimethyl-aminoazobenzene on liver cells in culture.
Jpn. J. Exp. Med. 35:445-462(1965)

PubMed=4304710
Jiro Sato, Masayoshi Namba, Keiji Usui, Daizo Nagano;
Carcinogenesis in tissue culture. VIII. Spontaneous malignant transformation of rat liver cells in long-term culture.
Jpn. J. Exp. Med. 38:105-118(1968)