Rectal procidentia treatment by perineal rectosigmoidectomy combined with levator ani repair - Habr Gama, Angelita; Jacob, Carlos Eduardo; Jorge, José Marcio Neves; Seid, Victor Edmond; Marques, Carlos Frederico Sparapan; Mantese, João Carlos; Gama Rodrigues, Joaquim José (Hepato-Gastroenterology, 2006)