TY - JOUR AU - Church, J M TI - Analysis of the colonoscopic findings in patients with rectal bleeding according to the pattern of their presenting symptoms JO - Dis Colon Rectum VL - 34 PY - 1991 DO - 10.1007/BF02053689 L3 - PubMed-ID: 2022144 SP - 391 EP - 395 ER -