Sensitization to polyethylene glycol and polysorbate in allergic patients with systemic adverse reactions following COVID-19 vaccination . Revista Alergia México, [S. l.], v. 72, n. 4, p. 305–311, 2025. DOI: 10.29262/ram.v72i4.1535. Disponível em: https://www.revistaalergia.mx/ojs/index.php/ram/article/view/1535. Acesso em: 24 sep. 2026.