1. Is routine pathologic evaluation of haemorrhoidectomy specimens necessary?;Lemarchand;Gastroenterol Clin Biol,2004
2. The necessity of routine pathologic evaluation of hemorrhoidectomy specimens;Cataldo;Surg Gynaecol Obstet,1992
3. The nature of piles;Alexander-Williams;BMJ,1982
4. The pathogenesis of haemorrhoids;Haas;Dis Colon Rectum,1984
5. Internal sphincter and haemorrhoids: a pathological study;Haqqani;J Clin Pathol,1978