we also that there are very variations in effectiveness that there is often clear basis for amounts that are paid and that they do not necessarily keep pace with rising costs
We also know that there are very big variations in effectiveness, that there is often no clear basis for the amounts that are paid, and that the amounts paid do not necessarily keep pace with rising costs.
We also that there are very variations in effectiveness, that there is often clear basis for amounts that are paid, and that the do not necessarily keep pace with rising costs.