1. Cancer of urinary bladder induced in mice with metabolites of aromatic amines and tryptophan;Allen;Br. J. Cancer,1957
2. Procarcinogenic effect of vitamin B12 on p-dimethylaminoazobenzene-fed rats;Day,1950
3. The effect of added dietary tryptophan on the occurrence of 2-acetylaminofluorene-induced liver and bladder cancer in rats;Dunning;Cancer Res.,1950
4. An effect of N-2-fluorenylacetamide on the metabolism of tryptophan in rats;Dyer;J. natn. Cancer Inst.,1961
5. Some dynamic aspects of chemical carcinogenesis;Elson;Br. med. Bull.,1958