The researchers looked at 22 medical conditions and checked to see whether the health organizations met the treatment guidelines.
The researchers checked participants' blood samples at three and 12 months.
It was only when a researcher checked the terms of the sale that the truth emerged.
For instance, this even went down to the weather, where the researchers checked through back copies of newspapers.
His researcher had checked the phone directories of just about every country in the world.
But when researchers checked his work, they found that the results were solid.
The researchers checked the X-rays to see if root canals had been done.
The researchers will check the life span of the people in both groups.
The researchers didn't check whether confidence was more important to patients than respectful treatment, for instance.
He came up with both answers and categories himself, though researchers checked his work.