TY - GEN AU - Donovan,D C AU - Dureza,R AU - Jain,U TI - Gastrinoma of duodenum. Diagnosis by endoscopy SN - 0028-7628 PY - 1979///1220 KW - Adult KW - Diagnosis, Differential KW - Duodenal Neoplasms KW - diagnosis KW - Endoscopy KW - Humans KW - Male KW - Zollinger-Ellison Syndrome N1 - Publication Type: Case Reports; Journal Article ER -