1. Incidence of liver disease in chronic lichen planus of the mouth;Mobacken;Acta Derm Venereol (Stockh),1984
2. Lichen planus and liver disease;Wiles;J Am Acad Dermatol,1984
3. Lichen planus and chronic active hepatitis. Reply;Powell;J Am Acad Dermatol,1984
4. A classification of chronic hepatitis;De Groote;Lancet,1968
5. Chronic hepatitis disease: Prevalence, postulates and prevention;McKay,1981