Saleem, F. et al. 2023. Characteristics of Newborn with Persistent Pulmonary Hypertension (PPHN) Admitted In Neonatal Intensive Care Unit in a Tertiary Care Hospital. Pakistan Armed Forces Medical Journal. 73, 5 (Oct. 2023), 1391–1395. DOI:https://doi.org/10.51253/pafmj.v73i5.7324.