1. Tumors of the urinary bladder: An analysis of the occupations of 1030 patients in Leeds, England;Anthony;J. Natl. Cancer Inst.,1970
2. Statistical Studies in Malignant Neoplasms, V;Clemmesen;Acta Pathol. Microbiol. Scand.,1977
3. Occupation and cancer of the lower urinary tract;Cole;Cancer,1972
4. Cosmetic, Toiletry and Fragrance Association Inc., Analysis and Comparison of Hair Colouring and Cancer; Mortality Data, 1955–1972, Haircoloring Technical Committee, Contact Jack Shor (MA).