TY - JOUR AU - Lohnert, M S; Doniec, J M; Henne-Bruns, D TI - Effectiveness of endoluminal sonography in the identification of occult local rectal cancer recurrences JO - Dis Colon Rectum VL - 43 PY - 2000 DO - 10.1007/BF02237191 SP - 483 EP - 491 ER -