The role of the fern test in the treatment of rhinitis. Revista Alergia México, [S. l.], v. 66, n. 2, p. 184–191, 2019. DOI: 10.29262/ram.v66i2.544. Disponível em: https://www.revistaalergia.mx/ojs/index.php/ram/article/view/544. Acesso em: 24 sep. 2026.