TY - JOUR TI - Assessment of 99 Cases with Upper Gastrointestinal System Bleeding AU - Erkuş, E. AU - Helvacı, A. AU - Bodur, Ö. AU - Özsoy, N. JO - European Archives of Medical Research PY - 2013 VL - 29 SP - 76 EP - 80 DO - 10.5222/otd.2013.076 ER -