Hawas, Mohamed R., Mohammed M. El Nammory, Ayman A. El Dorf, and Esmat H. Abo Zeid. 2023. “Fetal Lung Volume and Pulmonary Artery Resistance Index for Prediction of Neonatal Respiratory Distress Syndrome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 12 (2):322-28. https://doi.org/10.18203/2320-1770.ijrcog20230116.