TY - GEN AU - Mondardini,A AU - Barletti,C AU - Rocca,G AU - Garripoli,A AU - Sambataro,A AU - Perotto,C AU - Repici,A AU - Ferrari,A TI - Non-variceal upper gastrointestinal bleeding and Forrest's classification: diagnostic agreement between endoscopists from the same area SN - 0013-726X PY - 1998///1120 KW - Education KW - Endoscopy, Gastrointestinal KW - statistics & numerical data KW - Humans KW - Italy KW - epidemiology KW - Observer Variation KW - Peptic Ulcer Hemorrhage KW - classification N1 - Publication Type: Journal Article UR - https://doi.org/10.1055/s-2007-1001335 ER -