Anal Fistula Dr Tamjeed Alam Long term outcomes of an acellular dermal matrix for the treatment of complex cryptoglandular anal fistula: a pilot study Techniques in Coloproctology Springer Nature Link Optimum management for complex anal fistula: A network meta analysis of randomized controlled trials Surgery Open Science Successful closure of gastrocutaneous fistulas using the Surgisis^{< sup> anal fistula plug The Annals of The Royal College of Surgeons of England}