RojanasakulA., PattanaarunJ., SahakitrungruangC.Total anal sphincter saving technique for fistula-in-ano; the ligation of intersphincteric fistula tract.J Med Assoc Thai2007; 90: 581–6.
2.
Van der HagenS.J., BaetenC.G., SoetersP.B.Long-term outcome following mucosal advancement flap for high perianal fistulas and fistulotomy for low perianal fistulas: recurrent perianal fistulas: failure of treatment or recurrent patient disease?Int J Colorectal Dis2006; 21: 784–90.