title: A clinical judgement of pancreaticoduodenectomy (Whipple procedure) in tumors of the periampullary region : report of 4 cases without mortality.
mesh_terms: D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery; D003138:Common Bile Duct Neoplasms / Q000601:surgery*; D004386:Duodenum / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010180:Pancreatectomy; D010190:Pancreatic Neoplasms / Q000601:surgery*