PubMed=4312683
Takaoka T., Katsuta H., Ota S.-i., Miyata M.
Two cell strains of tissue culture, JTC-15 and -16, from rat ascites hepatomas, AH-66 and -7974.
Jpn. J. Exp. Med. 39:267-275(1969)

PubMed=4328993; DOI=10.1016/0014-4827(71)90412-5
Takaoka T., Katsuta H.
Long-term cultivation of mammalian cell strains in protein- and lipid-free chemically defined synthetic media.
Exp. Cell Res. 67:295-304(1971)

PubMed=4358144; DOI=10.1093/jnci/51.6.1841
Katsuta H., Takaoka T., Yasumoto S.
Toxic metabolites released from rat hepatoma cells in culture. I Effects of metabolites of hepatomas on various cells.
J. Natl. Cancer Inst. 51:1841-1844(1973)

PubMed=171466
Takaoka T., Katsuta H., Akatsuka T.
Carcinogenesis in tissue culture 24: tumorigenicity and aggregate-forming capacity of mammalian cells in culture.
Jpn. J. Exp. Med. 45:299-312(1975)

PubMed=8390914; DOI=10.1007/BF00755143
Kondo M., Hirota N., Takaoka T., Kajiwara M.
Heme-biosynthetic enzyme activities and porphyrin accumulation in normal liver and hepatoma cell lines of rat.
Cell Biol. Toxicol. 9:95-105(1993)