preferred_name: Duodenal ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation
preferred_name_lc: duodenal ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation
label: Duodenal ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation
label_lc: duodenal ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation