Rhinza Seputra Simanjuntak et al. 2025. The Efficacy of Phosphodiesterase-5 Inhibitors on Pulmonary Vascular Resistance in Patients with Single Ventricle Physiology. The International Journal of Medical Science and Health Research. 16, 1 (Sep. 2025), 69–115. DOI:https://doi.org/10.70070/vph0ng76.