Select all that apply. Which of the following statements regarding gastric/peptic ulcer disease are true?
a) Ninety percent of recurrent ulcers are caused by Helicobacter pylori.
b) IV antibiotic treatments over the course of 2-4 months is the therapy of choice fo active ulcers.
c) H. pylori are acid-producing bacteria that overwhelm the pH balance of the stomach, thus causing ulcers.
d) Epigastric pain typically occurs 1-3 hours after eating and is often relieved by eating again.
e) The long-term use of NSAIDs is considered a non-infectious cause of ulcers.