Allaw M. Topical Nitroglycerin versus Lateral fnternal Sphincterotomyin Treatment of Chronic Anal Fissure. Tikrit J. Pharm. Sci. [Internet]. 2023 Apr. 11 [cited 2024 Nov. 23];4(1):69-73. Available from: https://tjphs.tu.edu.iq/index.php/j/article/view/121