Jaffry, Syed Ali Raza; Jat, Javed Altaf; Memon, Waqar Ahmed; Ghangro, Abdul Qayoom; Arain, Ahsan Ali; Tamoor Jatoi
(Bahria University Health Sciences Campus Karachi, 2025-04-01)
Objective: To investigate the impact of retrograde filling on tract dilatation and associated outcomes among patients
presenting at a tertiary care hospital, Pakistan.
Methodology: A prospective cohort study was conducted ...