You should ask a physician for his advice before taking this medicine.

Mr Suzuki is not a dentist but a physician.

Rejecting the urging of his physician father to study medicine, Hawking chose instead to concentrate on mathematics and physics.

Physicians are usually distinguished from surgeons.

If you frequently spit-up blood you should call an ambulance or have a nearby physician make a house call.

The doctor did everything possible as a physician to save the life of the dying child; he also gave his blood to help the child weather the storm.