Zarin, M., Khan, M., Afridi, M.R., Rehman, M.- ur-., Salman, M., Rehman, S., -Muqim, R.- ul and Wazir, A. 2010. TREATMENT OF CHRONIC FISSURE-IN-ANO WITH GLYCERYL TRINITRATE. Journal of Medical Sciences. 18, 3 (Aug. 2010), 123–125.