Art is the only doctor I know who will get drunk.
I mean, it's over two hundred miles and he's the only doctor out there.
"I was the only doctor for 3,500 kids" who needed treatment.
She is the only doctor here, and about 80 percent of her patients live below the poverty line.
She is not the only doctor to make this observation.
But some of his patients said he was the only doctor who ever brought them relief.
He is the only doctor around who serves the people.
The only doctor in the region didn't make house calls.
Unfortunately the only doctor available was out cold on the floor.
Sometimes we are the only doctors they will see in their life.