In another six-year observational study, vaccination of children aged six months through five years was found to prevent illness in more than half.

During the 1974 legislative session, Ford proposed a six-year study of coal liquefaction and gasification in response to the 1973 oil crisis.

Those who had already began their old-style Curius curriculum before that will still have to complete it as a six-year study (nominal time).

The subcommittee conducted a six-year study, which was the first of its kind in the nation.

The new findings are from a six-year study of 87,678 nurses, all women from 34 to 59 years old.

Environmental officials are in the fifth year of a six-year study of the Sound's pollution problems.

A classic six-year study that ended in l977 provides strong evidence that physical activity enhances academic performance.

Those risks, with concerns about the cost, prompted the government in late June to scuttle a proposed six-year study of testosterone replacement.

He finished six-year long studies and obtained a medical doctor diploma in 1956.

Governmental support of the arts is needed to supplement private giving, a presidential committee told President Reagan on Thursday after a six-year study.