Saad, A M Surgical treatment of chronic fissure-in-ano: a prospective randomised study. [electronic resource] - East African medical journal Nov 1992 - 613-5 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0012-835X Subjects--Topical Terms: AdultColorectal Surgery--methodsDilatation--methodsFemaleFissure in Ano--surgeryHospitals, UniversityHumansMalePostoperative Complications--epidemiologyProspective StudiesSudan--epidemiology