Hi Da.Furious
Ah there's a blast from the past, the Pattakos study
Originally released online on 2 July 2012:
http://media.jamanetwork.com/news-item/study-examines-outcomes-patients-who-refuse-transfusion-following-cardiac-surgery/
And published in the magazine 'Archives of Internal Medicine' August 13/27, 2012 Volume 172, Number 15, pages 1154 to 1161:
http://archinte.jamanetwork.com/issue.aspx?journalid=71&issueid=24751
Use the search facility at the top of this page for more discussion ;)
That's all folks!
DarK SpilveR