Epidemics of typhus fever have been associated with war and famine for several centuries. What factor was most impoant in the control of such epidemics following the end of World War II?

Surgery

Epidemics of typhus fever have been associated with war and famine for several centuries. What factor was most impoant in the control of such epidemics following the end of World War II?

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?