Alfonso, Julia, Santiago Pérez, Ricardo Bou, Ana Amat, Irene Ruiz, Amparo Mora, Silvia Escolano, and Laura Chofre. “Asthma Prevalence and Risk Factors in School Children: The RESPIR Longitudinal Study”. Allergologia et Immunopathologia 48, no. 3 (May 15, 2020): 223–231. Accessed April 23, 2026. https://all-imm.com/index.php/aei/article/view/213.