The 2001 study used three different types of analyses-client telephone interviews, data analysis (identifying billing trends that are known to result in overpayments), and medical record review.
There was no study done in 2001.
mnli hypothesis: There was no study done in 2001. premise: The 2001 study used three different types of analyses-client telephone interviews, data analysis (identifying billing trends that are known to result in overpayments), and medical record review.