Peralta González, M.A., Zanguña Fonseca, L.F. and Cruz Rubio, S.G. 2017. Erythropoietin and reticulocyte levels in lowland residents migrating to middle altitudes. Salud UIS. 49, 4 (Oct. 2017), 535–539. DOI:https://doi.org/10.18273/revsal.v49n4-2017002.