But doctors also acknowledge that the treatments can be difficult.

"In the Soviet health care system, doctors could never acknowledge they had prescribed the wrong treatment," she said.

The doctor acknowledged his colleagues with a nod of the head when he walked into the room.

The Doctor acknowledges that he has no further evidence for his defence.

"It's not clear we have anything to offer," this same doctor subsequently acknowledges.

Now, however, a doctor is acknowledging giving the lethal injection.

Doctors later acknowledged that one of the seven was inviable.

"Perhaps not," the doctor acknowledged, as he led the way into the quarantine area.

But doctors generally acknowledge the need for house calls.

But some doctors acknowledge that there have been cases of abuse and say they would welcome official guidelines.