He maintained his practice for more than 50 years, well into the 1980's, before retiring.

He created and maintained the centre for over 25 years.

Following his football career, he maintained a medical practice for many years.

The environment within the township has been maintained for over 30 years.

He took to the role well, maintaining it for four years.

He maintained a practice at the Hospital for approximately 50 years.

This was maintained for 3 years, with the festival being a success in 2003, 2004 and 2005.

It is a tradition that has been maintained for more than 3,000 years.

The traders have to maintain the records for 10 years.

The company has also maintained its profitable track record for 60 years.