You seem to be using an older version of Internet Explorer. This site requires Internet Explorer 8 or higher. Update your browser here today to fully enjoy all the marvels of this site.
Approximations of cost were attempted only by two thirds of user-respondents and were generally well below our estimated actual cost.
Complications noted over the past year were few, although more co...
Although the 92.3 percent response rate from the 39 secondary referral units was higher, we still consider this to be a fairly representative nationwide cross-section, as both responding and nonrespon...