1. Instructions for the ethylenediamine sensitive patient;Fisher;Cutis,1974
2. On the persistence of acquired hypersensitivity;Nielsen;Acta Dermato-venereologica,1954
3. On the persistence of positive patch test reactions to balsam of Peru, turpentine and nickel;Lintum;Br J Dermatol,1973
4. Eczematous allergy to balsams;Hjorth;Acta Dermato-venerologica,1961