[hga]

Wal-Mart doesn't think so. They have a program, can't remember if it's still in the trial stage, where they since employees with particular issues to specialist centers, the theory, which they're collecting data on or have confirmed, is that in the long term this results in better outcomes that are cheaper.

There's very strong reasons to believe this for surgery, since the best determinant of success is how many times a surgeon performed a particular procedure.