"I wouldn't have known how to get you down here, Doctor."

My mother saw every species of doctor known to mankind and no one could do a thing for her.

"I know what you are going to say, Doctor," he said.

I do not know, you must believe me, Doctor.

"I don't know, Doctor, but it's your job to find out."

"I know, Doctor, but he's still safer if we keep moving," the captain said.

In this case, a doctor known as a radiologist may do the aspiration.

"I suppose you are quite sure that you know what you're doing, Doctor?"

He was wounded, they traced him through a doctor known to the Verbrecherwelt.

Do you know what they call me, Doctor?