Elsewhere, doctors have been experimenting with group visits for patients who all have one chronic disease, like asthma, diabetes or depression.

Prior to the 1930s, individual doctors had infrequently experimented with novel surgical operations on the brains of those deemed insane.

They were not taken too seriously since the doctors were after all experimenting with seriously ill patients.

And in humans, doctors are experimenting with implants of patient's own adrenal cells into the brain to fight Parkinson's disease.

Since the 17th century, doctors have experimented with blood substitutes, ranging from oil to milk to blood from animals.

The doctor had been experimenting with the use of external magnetic fields to impose the patterns from one animal onto the brain of another.

The doctors were experimenting with various drugs.

Among the questions that remain unresolved is whether doctors working with Unit 731 experimented on American prisoners of war.

The doctors have been experimenting on him for years, and he's in the French Hospital now, I think.

Elsewhere in the United States doctors have experimented with bribery.