I will give them my best advice, based on 25 years in government.

"And you base that assessment on your many years of medical research?"

The authors said they had based their claims on 20 years of research.

Based on Horton's 25 years of research into the story.

It could also break out the data based on two benchmark years, before 1985 and after 1993.

More than 700 of those face a deadline today, based on their fiscal years.

And what I tell you is based on more than forty years of experience.

His analysis was based on more than 14 years of Madoff return numbers.

But those figures are based on just three years of follow-up, and it is possible that longer studies will show otherwise.

The analysis is based on 100 years of daily precipitation data in India.