Kuswiyanto, R. B., Apandi, P., Hilmanto, D., Bashari, M. H., & Rahayuningsih, S. E. (2021). NT pro- B-type Natriuretic Peptide in the Small Ventricular Septal Defect in Children. Open Access Macedonian Journal of Medical Sciences, 9(B), 1677–1680. https://doi.org/10.3889/oamjms.2021.7592