Sensitization to polyethylene glycol and polysorbate in allergic patients with systemic adverse reactions following COVID-19 vaccination . Rev Alerg Mex [Internet]. 2025 Dec. 19 [cited 2026 Sep. 23];72(4):305-11. Available from: https://ojs.revistaalergia.mx/ojs/index.php/ram/article/view/1535