Fullformexpand.com, 2026. "PPHN." Accessed April 30, 2026. https://www.fullformexpand.com/pphn/persistent-pulmonary-hypertension-of-the-newborn.
"PPHN." (n.d.). Fullformexpand.com. Retrieved April 30, 2026, from https://www.fullformexpand.com/pphn/persistent-pulmonary-hypertension-of-the-newborn.
PPHN. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/pphn/persistent-pulmonary-hypertension-of-the-newborn (Accessed: 30 April 2026).