Suzanne Bazar Calonje, Jesús Rico Valesco, G. B. Spurr, Julio César Reina, and Peggy Pastor. “Marginal Malnutrition and Intellectual Development in Cali Schoolchildren”. Colombia Medica, vol. 17, no. 2, June 1986, pp. 79-84, doi:10.25100/cm.v17i2.6094.