Michael P Heaton
, John W Keele
, Gregory P Harhay
, Jürgen A Richt
, Mohammad Koohmaraie
, Tommy L Wheeler
, Steven D Shackelford
, Eduardo Casas
, D Andy King
, Tad S Sonstegard
, Curtis P Van Tassell
, Holly L Neibergs
, Chad C Chase Jr
, Theodore S Kalbfleisch
, Timothy PL Smith
, Michael L Clawson
and William W Laegreid 
BMC Veterinary Research 2008,
4:25doi:10.1186/1746-6148-4-25