A 45 year old male is brought to casualty after a night party with complaints of epigastric pain, penetrating towards back. Which is the best for diagnosis?

Medicine

A 45 year old male is brought to casualty after a night party with complaints of epigastric pain, penetrating towards back. Which is the best for diagnosis?

True about Postural Hypotension:

A 25 years old unidentified male from roadside was brought by police…

First time causative agent of AIDS was discovered in: