GUPTA, P.; SARAN, J.; VISHWADEEP SINGH. The Effect of Intrathecal Fentanyl on Postdural Puncture Headache in Parturients Undergoing Cesarean Section: Prospective Double-Blinded Study. SRMS JOURNAL OF MEDICAL SCIENCE, v. 10, n. 01, p. 1-5, 28 Oct. 2025.