Velasco Pérez, William, et al. “Respiratory Alterations Related to Blood Transfusions in Critically Ill Patients in the Intensive and Special Care Units of the Hospital Pablo Tobón Uribe, Medellín.2008-2009”. Medicina UPB, vol. 29, no. 2, Dec. 2010, pp. 119-23, https://revistas.upb.edu.co/index.php/medicina/article/view/2038.