“17. SOME FACTORS AFFECTING THE RESULTS OF TREATMENT FOR THREATENED PRETERM LABOR WITH NIFEDIPINE AT BAC NINH OBSTETRICS AND PEDIATRIC HOSPITAL” (2024) Vietnam Journal of Community Medicine, 65(CĐ 12 - Bệnh viện Thủ Đức). doi:10.52163/yhc.v65iCD12.1827.