S., Harish, and Kamalarathnam C. N. “Clinical Profile of Persistent Pulmonary Hypertension in New Born: Experience in an Extramural Institution”. International Journal of Contemporary Pediatrics 5, no. 6 (October 22, 2018): 2193–2198. Accessed November 6, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/1851.