title: [Researching the treponema in syphilitic chancre].
authors.forename: O B
authors.initials: OB
authors.lastname: PORTELA
mesh_terms: D001419:Bacteria; D002601:Chancre; D013142:Spirochaeta; D013587:Syphilis; D014208:Treponema
keywords: CHANCRE; SPIROCHAETA
vernacular_title: Pesquisa do treponema no cancro sifilätico.