TY - GEN AU - Elta,Grace H TI - Urgent colonoscopy for acute lower-GI bleeding SN - 0016-5107 PY - 2004///0618 KW - Angiography KW - Colonoscopy KW - methods KW - Emergencies KW - Female KW - Follow-Up Studies KW - Gastrointestinal Hemorrhage KW - diagnosis KW - Hemostasis, Endoscopic KW - Humans KW - Male KW - Prognosis KW - Randomized Controlled Trials as Topic KW - Risk Assessment KW - Severity of Illness Index KW - Treatment Outcome N1 - Publication Type: Comparative Study; Journal Article; Review UR - https://doi.org/10.1016/s0016-5107(03)02721-4 ER -