A 40-year-old male presents with recurrent hunger-induced epigastric pain for 8 years; multiple gastroscopies confirmed duodenal ulcers. Which bacterium is most associated with the recurrence of these ulcers?
A 40-year-old male presents with recurrent hunger-induced epigastric pain for 8 years; multiple gastroscopies confirmed duodenal ulcers. Which bacterium is most associated with the recurrence of these ulcers?