title: Gastroionogram in duodenal ulcer.
mesh_terms: D000328:Adult; D004381:Duodenal Ulcer / Q000378:metabolism*; D004573:Electrolytes / Q000032:analysis*; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D008297:Male
chemical_list: D004573:Electrolytes