Serrano-Miranda, Aurelio Tirzo, et al. “Values of Plasma Homocysteine in Patients over 65 Years in a Third Level Health Institution of Mexico City”. Investigación En Discapacidad, vol. 5, no. 2, Aug. 2024, pp. 81-87, https://dsm.inr.gob.mx/indiscap/index.php/INDISCAP/article/view/349.