S L Jensen, F Lund, O V Nielsen, G Tange
Jensen S L, Lund F, Nielsen O V, Tange G.
Lateral subcutaneous sphincterotomy versus anal dilatation in the treatment of fissure in ano in outpatients: a prospective randomised study.
Br Med J (Clin Res Ed) 1984; 289 :528
doi:10.1136/bmj.289.6444.528