title: Bacterium's discovery should be clarified.
authors: Juan
authors: J
authors: Weiss
mesh_terms: D001432:Bacteriology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D013587:Syphilis / Q000266:history; D014210:Treponema pallidum / Q000302:isolation & purification