TY - GEN AU - CULVER,G J AU - FRAWLEY,T F AU - GOADE,W J TI - Benign ulcer of the fourth portion of the duodenum SN - 0092-5632 PY - 2010///0318 KW - Duodenum KW - Humans KW - Peptic Ulcer KW - diagnostic imaging KW - Radiography KW - Ulcer N1 - Publication Type: Journal Article ER -