Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BEATTIE GC,Circumferential stapled anoplasty in the management of haemorrhoids and mucosal prolapse,Colorectal Dis,,,2000,2,,170-175,https://cir.nii.ac.jp/crid/1573105974754988672,