Sillanpää Petri J, Paakkala Antti, Paakkala Timo, Mäenpää Heikki, Toivanen Jarmo
Department of Orthopaedic Surgery and Trauma, Tampere University Hospital, Teiskontie 35, FIN-33521, Tampere, Finland.
J Bone Joint Surg Am. 2010 Oct 6;92(13):2344-7. doi: 10.2106/JBJS.I.01472.