ROMANA KANWAL, RIFFAT SAEED, AMER LATIF, TOOBA AMMAR, HUSSAM AHMAD, SAEEDA RANA. Comparison between Effectiveness of Epidural Catheter by Using Two Techniques Air Versus Saline as Pre-Emptive Analgesia in Obstetric Patients. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 18, n. 01, p. 223, 2024. DOI: 10.53350/pjmhs02024181223. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/6188. Acesso em: 5 dec. 2025.