Biological Sciences and Healthcare, part 4

Peptic ulcer > Duodenal ulcer disease > Duodenal ulcer caused by bacterium (disorder) > Duodenal ulcer caused by Helicobacter pylori (disorder)

... > Bowel finding > Small bowel finding > Disease of small intestine > Ulceration of small intestine > Duodenal ulcer disease > Duodenal ulcer caused by bacterium (disorder) > Duodenal ulcer caused by Helicobacter pylori (disorder)

... > Bowel finding > Disease of intestine > Disease of small intestine > Ulceration of small intestine > Duodenal ulcer disease > Duodenal ulcer caused by bacterium (disorder) > Duodenal ulcer caused by Helicobacter pylori (disorder)

... > Bowel finding > Small bowel finding > Disease of small intestine > Disease of duodenum > Duodenal ulcer disease > Duodenal ulcer caused by bacterium (disorder) > Duodenal ulcer caused by Helicobacter pylori (disorder)

... > Bowel finding > Disease of intestine > Disease of small intestine > Disease of duodenum > Duodenal ulcer disease > Duodenal ulcer caused by bacterium (disorder) > Duodenal ulcer caused by Helicobacter pylori (disorder)

... > Clinical finding (finding) > disease > Infectious disease > Bacterial infectious disease > Disease due to Gram-negative bacteria (disorder) > Helicobacter-associated disease > Infection caused by Helicobacter pylori (disorder) > Helicobacter pylori gastrointestinal tract infection > Duodenal ulcer caused by Helicobacter pylori (disorder)