Alvear, C. C., M. Barboza, M. Viola, C. Moneriz, and L. M. Araque. “Pilot Study of Hemoglobinopathies in Newborns of the Rafael Calvo Maternity Clinic of Cartagena, Colombia”. Colombia Medica, vol. 43, no. 3, Sept. 2012, pp. 196-9, doi:10.25100/cm.v43i3.925.