References
1. Hananel N, Gordon PH. Re Examination of Clinical Manifestations and response to Therapy of Fissure in Ano. Dis Colon Rectum 1997;40;229-233. A Prospective Randomized Study.BMJ (Clin Res Ed) 1984,289:528-530
2. Shub HA, Salvati EP, Rubin RJ. Conservative Treatment of Anal Fissure: An Unselected Retrospective and continous study. Dis Coln Rectum 1978,21:582-583.
3. McDonald P, Driscoll AM, Nicholls RJ . The Anal Dilator in the Conservative Management of Acute Anal Fissures. BJS 1983,70: 25-26.
4. Gough MJ,Lewis A.The Conservative Treatment of Fissure in Ano.BJS 1983,70:175-176
5. Frenckner B,Ihre T. Influence of autonomic nerves on Internal Anal Sphincter. Gut 1976,17:306-312.
6. Frenckner B.Function of Anal Sphincters. Gut 1975,16:638-644
7. Watts JM,Bennett RC,Golingher JC. Stretching of Anal Sphincters in Treatment of Fissure in Ano.BMJ 1964:342-343
8. Isbister WH, Prasad J. Fissure in Ano .Aust N Z J Surg 1995;65:107-108.
9. Marby M,Alexander Williams J,Buchmann P,Arabi Y, Kappas A, Minervini S,Gatehouse D,Keighley M. A Randomized Control Trial to compare Anal Dilatation with Lateral Subcutaneous Sphincterotomy for Anal Fissure. Dis Colon Rectum 1979;22:308-311.
10. O’Connor JJ,Lord Procedure for Treatment of Postpartum Hemorrhoids and Fissures. Obs&Gyn 1980,55:757-758
11. Jensen SL,Lund F,Neilsen OV, Tange G. Lateral Subcutaneous Sphincterotomy Vs Anal dilatation in the Treatment of Fissure in Ano in Out Patients:A Prospective Randomized study.BMJ(Clin Res Ed)1984,289:528-530
12. Gabriel WB 1945.The principles and practice of rectal surgery.Lewis: London
13. Lawrence H Bannister.Alimentary system in Gray’s Anatomy 38thEdition.Churchill Livingstone. 1996:1683-1812.
14. Weaver RM, Ambrose NS, Alexander Williams J,Keighley MR.Manual Dilata-tion of Anus Vs Lateral Subcutaneous Sphincterotomy in the teeatment of chronic fissure in ano. Results of a prospective, randomized clinical trial. Dis Colon Rectum 1987,30:420-423.
15. McDonald A, Smoth A, Mc Neill, AD, Finlay, IG.Manual dilatation of the Anus.BJS 1992,79:1381-1382.
16. Neilsen MB, Rasmussen OO, Pedersen JF, Christiansen J. Risk of sphincter damage and anal incontinence after Anal dilatation for fissure in ano .An endosonographic study. Dis Colon Rectum 1993,36:677-680.
17. Eisenhammer S. The surgical correction of chronic internal anal sphincter contracture. S Afr Med J 1951,25:486-489.
18. Eisenhammer S. The evaluation of internal anal sphincterotomy operation with special reference to anal fissure. Surg Gyn&Obg 1959;109:583-590.
19. Abcarian H. Surgical correction of chronic Anal fissure :Results of lateral internal Sphincterotomy. Dis Colon Rectum 1980;23:31-36.
20. Hawley PR. The treatment of chronic fissure in ano. A trial of methods . BJS 1969;56:915-918.
21. Nothmann BJ, Schuster MM. Internal anal sphincter derangement with anal fissures. Gastroenterology 1974; 67: 216-220.
22. Hancock BD. The internal sphincter and anal fissure. BJS 1977; 64: 92-95.
23. Farouk R, Duthie GS, McGregor AB, Bartolo DC. Sustained internal sphincter hypertonia in patients with chronic anal fissure. Dis colon rectum 1994; 37:424-429.