1.   The slides were examined by a consultant pathologist who was unaware of the group origin of the tissue.

2.   Consultant pathologist Dr Stephen Dundas who carried out a post mortem said Mr Ryder had died as a result of overdosing on both tablets and alcohol.

3.   Consultant pathologist Ursula Earl said Mr Mills died from head injuries.

4.   Dr Paul Newman, consultant pathologist, said the young stonemason died from head injuries.

5.   Dr Ceri Williams, consultant pathologist at the hospital, said Mr Prattley had died from fibrosis of the lungs.

6.   Dr Paul Newman, a consultant pathologist, told coroner Colin Penna he needed results from tests before being able to give the cause of death.

7.   Consultant pathologist Dr Brian Rogers said that death was due to drowning.