TY - GEN AU - RUFFIN,J M TI - Diagnostic aspects of peptic ulcer. 4. Roentgenographic interpretation SN - 0002-9211 PY - 1998///1101 KW - Peptic Ulcer KW - diagnostic imaging KW - Radiography N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF02235683 ER -