Mukalla, Z., R. Nova, L. Legiran, and Y. Yangtjik. “Using N-Terminal Pro-B-Type Natriuretic Peptide to Diagnose Cardiac Abnormalities in Children With Dyspneaen With Dyspnea”. Paediatrica Indonesiana, Vol. 57, no. 3, June 2017, pp. 124-8, doi:10.14238/pi57.3.2017.124-8.