1. Hair dyes are mutagenic: identification of a variety of mutagenic ingredients;Ames,1975
2. Methods for detecting carcinogens and mutagens with the Salmonella/mammalian microsome mutagenicity test;Ames;Mutation Res.,1975
3. The colouring matter in food regulations 1973,1973
4. Food colours — harmless aesthetics or epicurean luxuries?;Drake;Toxicology,1975