Rodríguez, M. N., Rojas, M. X., Guevara, D. P., Dennis Verano, R., & Maldonado, D. (1). Creating reference values for assessing spirometry. Acta Médica Colombiana, 27(6), 389-397. Retrieved from https://www.actamedicacolombiana.com/ojs/index.php/actamed/article/view/3509