Keizo Umegaki

The relation between single/double or repeated tea catechin ingestions and plasma antioxidant activity in humans

K. Umegaki, M. Kimura, M. Higuchi, 2002, European Journal of Clinical Nutrition.

Different onsets of oxidative damage to DNA and lipids in bone marrow and liver in rats given total body irradiation.

S. Shin, K. Umegaki, A. Sugisawa, 2001, Free radical biology & medicine.

Cytokinesis-block micronucleus assay in WIL2-NS cells: a sensitive system to detect chromosomal damage induced by reactive oxygen species and activated human neutrophils.

M. Fenech, K. Umegaki, Michael Fenech, 2000, Mutagenesis.