Koc, Elif, Fatih Bolat, and Meric Kaymak Cihan. “The Effect of Cord Blood Vitamin D Level on Bronchopulmonary Dysplasia and Other Neonatal Morbidities in Preterm Infants”. Gynecology Obstetrics & Reproductive Medicine 28, no. 2 (August 2, 2022): 179–185. Accessed November 25, 2024. https://gorm.com.tr/index.php/GORM/article/view/1263.