Taylor, V., C. Velásquez, L. C. Burgos, J. Carmona, A. Correa, A. Maestre, and R. Uscátegui. “ Malaria and Intestinal Parasites: TH1/TH2 Cytokines Relationship”. Colombia Medica, vol. 39, no. 3, Sept. 2008, pp. 276-8, doi:10.25100/cm.v39i3.595.