A prospective, randomized study comparing the effect of augmented biofeedback with sensory biofeedback alone on fecal incontinence after obstetric trauma. - Fynes,M.M.; Marshall,K.; Cassidy,M.; Behan,M.; Walsh,D.; O'Connell,P.R.; O'Herlihy,C. (Dis Colon Rectum, 1999)