1. Treatment of plantar warts;Auken;Acta Dermato-Vener. (Stockh.),1951
2. Verrucae vulgares et plantares treated with ultrasoft x-rays;Knudsen;Acta Dermato-Vener. (Stockh.),1955
3. Røntgenbehandling af vorter;Hagedorn;Ugeskr. Laeg.,1967
4. Low dosage roentgen therapy of verrucae plantaris;Duggan;Arch. Dermatol.,1964