They are expected to continue for months, if not years.
But after high school he could not continue his education for seven years due to poor health.
"We now know that these results continue for at least three years."
Two of these studies have continued for over 50 years.
The production is expected to start in 2013 and will continue for 10-15 years.
In 1971, work began on the church and continued for three years.
He continued as a director of the bank for many years.
The stage show is expected to continue for six more years.
Construction is to start in a few weeks and continue for four years.
The trial started in 2000 and continued for eight years.