MUAZIZ, Syed Israr; MUHAMMAD JAVED KHAN; UMBRIN NAZ; SYED HASSAN IFTIKHAR. FREQUENCY OF FAILED SPINAL ANESTHESIA IN OBSTETRIC PATIENTS UNDERGOING CESAREAN SECTION. Insights – Journal of Health and Rehabilitation, [S. l.], v. 3, n. 3, p. 15–21, 2025. DOI: 10.71000/tagaxr51. Disponível em: https://insightsjhr.com/index.php/home/article/view/519.. Acesso em: 13 jun. 2026.