The International Union against the Venereal Diseases and Treponematoses.
D049673:History, 20th Century; D007390:International Agencies / Q000266:history; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014211:Treponemal Infections / Q000517:prevention & control*; D014837:Voluntary Health Agencies / Q000266:history