A patient presents with low serum calcium, high phosphorus and elevated PTH. Which of the following investigations is least contributory to establish a diagnosis –

Medicine

A patient presents with low serum calcium, high phosphorus and elevated PTH. Which of the following investigations is least contributory to establish a 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: