S. Scheffer-Mendoza, S. Espinosa-Padilla, G. López-Herrera, F. Mujica-Guzmán, M. López-Padilla, and L. Berrón-Ruiz, “Reference values of leukocyte and lymphocytes populations in umbilical cord and capillary blood in healthy Mexican newborns”, Allergol Immunopathol, vol. 48, no. 3, pp. 295–305, May 2020, Accessed: Jun. 02, 2026. [Online]. Available: https://www.all-imm.com/index.php/aei/article/view/223