Zapata, F., C. Fernández, C. de Rovetto, I. de Castaño, J. A. Roa, and C. A. Echandía. “Nifedipine and Captopril in Hypertensive Crisis in Children”. Colombia Medica, vol. 37, no. 3, Nov. 2006, pp. 189-95, doi:10.25100/cm.v37i3.444.