1. Skin Diseases in Denmark. Thesis;Christopherson,1984
2. Prevalence, morbidity and cost of dermatological diseases;Johnson;J Invest Dermatol,1979
3. The epidemiology of work-related skin disease in South Carolina;Keil;Arch Dermatol,1983
4. Occupational Skin Disease;Adams,1983
5. Patch Testing: Test Concentrations and Vehicles for 2800 Allergens;De Groot,1986