Prevalence of vitamin D insufficiency and deficiency in Mexican adults with allergic asthma. Revista Alergia México, [S. l.], v. 64, n. 2, p. 178–187, 2017. DOI: 10.29262/ram.v64i2.255. Disponível em: https://ojs.revistaalergia.mx/ojs/index.php/ram/article/view/255. Acesso em: 23 sep. 2026.