He maintained a private practice until last year and taught internal medicine at the medical school from 1927 to 1973.

Over the years, his medical career included internal medicine, public health and psychiatry.

He is also a medical doctor with a post graduate degree in internal medicine.

So I went to see a renowned expert in internal medicine.

For many years he was a clinical professor of internal medicine at Georgetown.

He was then asked to spend a year teaching residents there as chief medical resident in internal medicine.

He specializes in internal medicine and could not be reached for comment.

This was made evident to me during my training as a resident in internal medicine.

"That would be contradictory to the profession of internal medicine."

Others of you will be going into internal medicine.