A previously healthy florist presents to the emergency department after vomiting blood in his flower shop. While waiting to be seen he has another episode of hematemesis. What is the most likely cause of his bleeding?

Surgery

A previously healthy florist presents to the emergency department after vomiting blood in his flower shop. While waiting to be seen he has another episode of hematemesis. What is the most likely cause of his bleeding?

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?