Martius flap and sphincteroplasty as treatment for recurrent anovaginal fistula associated with anal incontinence–a video vignette. (8th April 2020) - Sancho‐Muriel, J.; Cholewa, H.; Primo, V.; García‐Granero, Á.; Millán, M.; Domingo, S.; Valverde Navarro, A.; García‐Granero, E.; Frasson, M.