Urticarial syndrome related to Treponema infection. Revista Alergia México, [S. l.], v. 61, n. 4, p. 363–367, 2014. DOI: 10.29262/ram.v61i4.10. Disponível em: https://ojs.revistaalergia.mx/ojs/index.php/ram/article/view/10. Acesso em: 23 sep. 2026.