1. Hair dyes are mutagenic: identification of a variety of mutagenic ingredients;Ames,1975
2. Degradation of azo dyes by environmental microorganisms and helminths;Chung;Environ. Toxicol. Chem.,1993
3. A review of reduction of azo dyes by intestinal microflora;Chung;Crit. Rev. Microbiol.,1992
4. Carcinogenicity of substitutedbenzenediamine (phenylenediamine) on rats and mice;Sontag;J. Natl. Cancer Inst.,1981
5. The carcinogenicity of certain azo dyes related to p-dimethylaminoazobenzene;Miller;Cancer Res.,1945