A 10-month-old infant presents with acute intestinal obstruction. Contrast enema X-ray shows the intussusceptions, Likely cause is

Surgery

A 10-month-old infant presents with acute intestinal obstruction. Contrast enema X-ray shows the intussusceptions, Likely cause 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?