Thuy, Tran, Xuan, Ngo, Kien, Pham, AND Canh, Hoang. " Results of INSSURE Method in the Treatment of Respiratory Distress Syndrome in Premature Infants at Bac Ninh Obstetric Pediatric Hospital" VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 33 Number 2 (7 December 2017)