Varolarn, Vimonwan. “Nursing Care in Preterm Infants With Patent Ductus Arteriosus”. Thai Journal of Cardio-Thoracic Nursing 33, no. 1 (September 24, 2022): 2–18. Accessed May 3, 2024. https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/249860.