A 40-year-old alcoholic develops cough with foul smelling sputum and fever. Chest x-ray shows an air-fluid level in the superior segment of the right lower lobe. The most likely etiologic agent is

Surgery

A 40-year-old alcoholic develops cough with foul smelling sputum and fever. Chest x-ray shows an air-fluid level in the superior segment of the right lower lobe. The most likely etiologic agent 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?