Penrose Inquiry Transcript of Dr Brian McClelland (former lead clinician in the European Union optimal blood use project, and retired member of the Scottish National Blood Transfusion Service) and Dr Mitchell (retired regional director for Glasgow) re. The acceptance of blood from higher risk donors, particularly prisoners and donors with a history of jaundice and who are negative for Hepatitis B at a time when the existence of non-A non-B hepatitis was known and its presence could not be excluded.