The use of a different (European) donor pool can account for the difference.

Health officials estimate that with a proper system in place, the national pool of donors would number 9,000 a year.

The donor pool was different in the early days of transplantation.

The center has a donor pool of about 100 women, she said, and planned to perform 500 procedures in its first year.

But they know far less than they would like about the potential donor pool.

Given the center's large donor pool of 30,000, he added, there are always going to be defaults.

I agree that we need to focus on teen-agers to increase the donor pool.

One answer was to expand the donor pool by accepting unrelated living donors.

As a practical matter, doctors are trying innovation and improvisation to expand the pool of donors.

Many of these charities also depend on a pool of loyal donors who give money every year.