1. The treponematoses as a world problem;Guthe;Br J Vener Dis,1960
2. The rise and fall of the treponematoses;Idsøe;Br J Vener Dis,1967
3. A clinical study on 29 cases of debatable STS and TPI seroreactions in Greenland;Knudson;Acta Derm Venereol (Stockh),1974
4. Venereal diseases in England and Wales;Ministry of Health Report for England and Wales;Br J Vener Dis,1966