Welcome to the new B.I.R.D. Forum. Please be sure to read the "New Member / New Registered ? Please Read" thread in the Coffee Shop.
This contains some important information.
To become a full member ( £5.90 a year ) simply click on your user name near the top on the right
I hope you enjoy the new site ................ Jaws ( John )
Ok now the thread has been hijacked :t I will give the answer.
it is the heaf test for TB, as I have had two 11 hour shifts looking after one of our clients who has TB