A patient comes with hematemesis and melena. On the upper GI endoscopy, there were no significant findings. 2-days later the patient rebleeds. Next line of investigation is

Surgery

A patient comes with hematemesis and melena. On the upper GI endoscopy, there were no significant findings. 2-days later the patient rebleeds. Next line of investigation is

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?