PNNL:10.3109/01902148.2013.801535
PNNL:10.3109/01902148.2014.984085
PNNL:10.3109/17435390.2010.513836
PNNL:10.3109/17435390.2013.803624
PNNL:10.3109/17435390.2013.822115
PNNL:10.3109/17435390.2013.859319