1. External and internal exposure to the antigen in hand eczema of nickel allergy;Christensen;Contact Dermatitis,1975
2. Contact dermatitis. XVII. Reactions to contact allergens given orally or systemically;Cronin;British Journal of Dermatology,1972
3. Epidemiology of contact dermatitis;Fregert;Transactions of the St. John's Hospital Dermatological Society,1969
4. Dermatiti allergiche di tipo eczematoso;Meneghini;Giornale Italiano di Dermatologia - Minerva Dermatologica,1973
5. Merthiolate allergy: a nationwide iatrogenic sensitization;Möller;Acta Dermato-venereologica,1977