Kjetil G Ringdal , Timothy J Coats , Rolf Lefering , Stefano Di Bartolomeo , Petter Andreas Steen , Olav Røise , Lauri Handolin , Hans Morten Lossius and Utstein TCD expert panel
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2008, 16:7doi:10.1186/1757-7241-16-7