Comparison of glyceryl trinitrate (GTN) 0.2% with lateral anal sphincterotomy in the management of chronic anal fissure. - Tahir, Farhan; Warraich, Amin; Rasool, Mudassar; Randhawa, Rashid Ehsan; Ijaz, Hafsa; Amin, Imran (Professional Medical Journal, 2026)