Villegas Gracia, R., Franco Alzate, C., Rendón Henao, J., Torres Hernández, J. D. and Jaramillo Arbelaez, P. E. (2016) “Frequency of monoclonal B-cell lymphocytosis in relatives of patients with chronic lymphocytic leukemia”, Colombia Medica, 47(2), pp. 81–86. doi: 10.25100/cm.v47i2.1879.