This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Medicine
The treatment of peptic ulcer involves: 
Select and explain. 
A. Antacids, B. Ranitidine, C. Sucralfate, D. All
D: All
Answer: D: All 
Explanation: Ans: dRef: Harrison, 16thed, p. 1753