1. NIOSH Criteria for a recommended standard; occupational exposure to coal tar products,1977
2. Mutagenicity of soot and associated polycyclic aromatic hydrocarbons to Salmonella typhimurium;Kaden;Cancer Res,1977
3. Mutagenicity of coal tar preparations used in psoriasis;Saperstein;Tox Lett,1979
4. Crude coal tar in dermatology;White;Arch Dermatol,1921
5. Treatment of psoriasis; Continued observations on the use of coal tar and ultraviolet light;Goeckerman;Arch Dermatol,1931