One study established that birth rates before a first marriage were 23, 24, and 21 percent, based on 2004, 1998, and 1995-96 data.

Previous studies have established that many of the recommendations are not followed.

Recent studies, he said, have established the state as leading the nation in attracting back original residents for retirement.

A quick study, he rapidly established himself as a leading authority on parliamentary procedure.

These initial studies established the structure and its relationship to 2,3-dihydroxybenzoic acid.

No reliable studies have ever established a link between higher taxes and lower rates of alcohol abuse.

Questions were raised about the fire's long-term health effects, but no definitive studies have established lasting medical damage.

However, recent studies by Polish historians have established the treaty's legitimacy.

As for marijuana, scientific studies clearly establish a number of negative health consequences associated with its use.

The study established that only 65% of them have acceptable water management.