AirForce:10.1200/JCO.2003.04.092
AirForce:10.1200/JCO.2004.11.026
AirForce:10.1200/JCO.2006.06.5938
AirForce:10.1200/JCO.2006.07.6992
AirForce:10.1200/JCO.2008.20.8983
AirForce:10.1200/JCO.2010.31.0003