Evaluation of the mouse lymphoma tk assay (microwell method) as an alternative to the in vitro chromosomal aberration test

Masamitsu Honma, Makoto Hayashi, Hiroyasu Shimada, Noriho Tanaka, Shinobu Wakuri, Takumi Awogi, Koichi I. Yamamoto, Noriko Ushio Kodani, Yoshisuke Nishi, Masahiro Nakadate, Toshio Sofuni