1. Diseases of the skin;Crocker,1888
2. The approach to psoriasis;Ingram;Br Med J,1953
3. Dithranol paste for psoriasis;Seville;Br J Dermatol,1966
4. Simplified dithranol treatment for psoriasis;Seville;Br J Dermatol,1975
5. Personal communication;Ingram;Br J Dermatol,1966