1. Release of nickel from silver coins;Bang Pedersen;Acta Dermato-venereologica (Stockholm),1974
2. Brandrup , F. Schultz-Larsen , F. 1978
3. External and internal exposure to the antigen in the hand eczema of nickel allergy;Christensen;Contact Dermatitis,1975
4. Leaching of nickel from stainless steel consumer commodities;Katz;Acta Dermato-venereologica,1975
5. The relative importance of various environmental exposures to nickel in causing contact hyper-sensitivity;Malten;Acta Dermato-venereologica,1969