CAO BA LOI; TRAN THI KIEU ANH; TRUONG VAN TU. FACTORS AFFECTING LABOR DURATION IN PREGNANT WOMEN AT NGHE AN GENERAL HOSPITAL, 2022. JOURNAL OF CONTROL VACCINES AND BIOLOGICALS, [S. l.], v. 4, n. 3, 2024. DOI: 10.56086/jcvb.v4i3.159. Disponível em: https://jcvb.vn/index.php/jcvb/article/view/159. Acesso em: 20 tháng 4. 2025.