The patient was in good health and did not have peptic ulcer disease.

The most common cause of melena is peptic ulcer disease.

Treatment for peptic ulcer disease includes one or more of the following:

It accounts for less than 1% of all peptic ulcer disease.

A history of gastroduodenal ulcer disease was present in 41 percent.

The relationship between these alterations, hypergastrinaemia and chronic ulcer disease has also been suggested.

Some degree of heterogeneity has already been shown in peptic ulcer disease.

Initial treatment of peptic ulcer disease depends on its cause.

About half of cases are due to peptic ulcer disease.

We conducted such a study in patients with active duodenal ulcer disease.