C. Hartman

Azo reduction of trypan blue to a known carcinogen by a cell-free extract of a human intestinal anaerobe.

G. E. Fulk, A. W. Andrews, C. Hartman, 1978, Mutation research.

Production of a mutagen from ponceau 3R by a human intestinal anaerobe

K. Chung, A. W. Andrews, C. Hartman, 1979, Infection and Immunity.